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BreakNum

Language: Layout:
+ ] Show input
Compilation time: 0,17 sec, absolute running time: 0,28 sec, cpu time: 0,08 sec, average memory usage: 19 Mb, average nr of threads: 5 
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\begin{figure}[ht!]
\vspace{-23mm}\hspace*{-33mm}\includegraphics[scale=0.9]{Logo.jpg}
\end{figure}

\vspace{-15mm}\hspace*{-10mm}\begingroup
\centering
\LARGE Adding by Breaking Numbers (2) \\[0.5em]
\endgroup

\begin{multicols}{2}
    \begin{enumerate}[label=\arabic*)]
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{19}+\tikznode{n7}{15}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{18}+\tikznode{n7}{63}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{46}+\tikznode{n7}{13}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{75}+\tikznode{n7}{17}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{72}+\tikznode{n7}{13}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{28}+\tikznode{n7}{26}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{12}+\tikznode{n7}{16}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{33}+\tikznode{n7}{21}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{14}+\tikznode{n7}{27}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{67}+\tikznode{n7}{11}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{19}+\tikznode{n7}{65}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{35}+\tikznode{n7}{17}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{31}+\tikznode{n7}{41}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{46}+\tikznode{n7}{24}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\end{enumerate}
\end{multicols}

\newpage

\begin{figure}[ht!]
\vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg}
\end{figure}

\vspace{-15mm}\hspace*{-10mm}\begingroup
\centering
\LARGE Adding by Breaking Numbers (2) \\[0.5em]
\endgroup

\begin{multicols}{2}
    \begin{enumerate}[label=\arabic*)]
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{29}+\tikznode{n7}{34}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{41}+\tikznode{n7}{23}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{49}+\tikznode{n7}{28}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{13}+\tikznode{n7}{37}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{17}+\tikznode{n7}{21}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{54}+\tikznode{n7}{16}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{33}+\tikznode{n7}{22}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{12}+\tikznode{n7}{24}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{47}+\tikznode{n7}{13}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{56}+\tikznode{n7}{32}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{77}+\tikznode{n7}{18}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{32}+\tikznode{n7}{42}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{46}+\tikznode{n7}{46}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{53}+\tikznode{n7}{39}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\end{enumerate}
\end{multicols}

\newpage

\begin{figure}[ht!]
\vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg}
\end{figure}

\vspace{-15mm}\hspace*{-10mm}\begingroup
\centering
\LARGE Adding by Breaking Numbers (2) \\[0.5em]
\endgroup

\begin{multicols}{2}
    \begin{enumerate}[label=\arabic*)]
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{29}+\tikznode{n7}{54}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{18}+\tikznode{n7}{16}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{16}+\tikznode{n7}{74}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{26}+\tikznode{n7}{54}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{22}+\tikznode{n7}{35}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{21}+\tikznode{n7}{59}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{48}+\tikznode{n7}{34}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{16}+\tikznode{n7}{69}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{31}+\tikznode{n7}{39}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{44}+\tikznode{n7}{16}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{15}+\tikznode{n7}{51}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{29}+\tikznode{n7}{66}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{64}+\tikznode{n7}{16}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{47}+\tikznode{n7}{37}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\end{enumerate}
\end{multicols}

\newpage

\begin{figure}[ht!]
\vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg}
\end{figure}

\vspace{-15mm}\hspace*{-10mm}\begingroup
\centering
\LARGE Adding by Breaking Numbers (2) \\[0.5em]
\endgroup

\begin{multicols}{2}
    \begin{enumerate}[label=\arabic*)]
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{65}+\tikznode{n7}{15}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{19}+\tikznode{n7}{65}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{31}+\tikznode{n7}{16}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{53}+\tikznode{n7}{28}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{52}+\tikznode{n7}{41}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{29}+\tikznode{n7}{37}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{45}+\tikznode{n7}{46}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{47}+\tikznode{n7}{11}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{54}+\tikznode{n7}{15}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{71}+\tikznode{n7}{13}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{18}+\tikznode{n7}{41}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{19}+\tikznode{n7}{53}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{46}+\tikznode{n7}{35}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{29}+\tikznode{n7}{31}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\end{enumerate}
\end{multicols}

\newpage

\begin{figure}[ht!]
\vspace{-23mm}\hspace*{-23mm}\includegraphics[scale=0.9]{Logo.jpg}
\end{figure}

\vspace{-15mm}\hspace*{-10mm}\begingroup
\centering
\LARGE Adding by Breaking Numbers (2) \\[0.5em]
\endgroup

\begin{multicols}{2}
    \begin{enumerate}[label=\arabic*)]
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{28}+\tikznode{n7}{24}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{21}+\tikznode{n7}{21}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{66}+\tikznode{n7}{12}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{23}+\tikznode{n7}{41}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{43}+\tikznode{n7}{18}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{69}+\tikznode{n7}{15}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{39}+\tikznode{n7}{16}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{12}+\tikznode{n7}{46}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{24}+\tikznode{n7}{19}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{31}+\tikznode{n7}{49}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{31}+\tikznode{n7}{51}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n7] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n7] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n7] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n7);
        \draw[shrt] (n6) -- (n7);
        \draw[shrt] (n10.south east) -- (n6);
        \node[ellipse,draw,fit=(n1) (n9),inner sep=1pt] (n1n9) {};
        \draw[shrt] ([x-]n10.south west) -- ([x-]n1n9.north);
        \draw[shrt] ([x+]n10.south west) -- ([x+]n1n9.north);
    \end{tikzpicture}
\item \leavevmode\vadjust{\vspace{-\baselineskip}}\newline
    \begin{tikzpicture}[remember picture]
        \node{$\tikznode{n9}{47}+\tikznode{n7}{19}=\tikznode[boxed]{n16}{\phantom{\frac{10}{20}}}$};
        \node[boxed,above left=2mm and 2mm of n9] (n1) {\phantom{10}};
        \node[boxed,above right=2mm and 2mm of n9] (n6) {\phantom{10}};
        \node[boxed,above=13mm of n9] (n10) {\phantom{10}};
        \draw[shrt] (n1) -- (n9);
        \draw[shrt] (n6) -- (n9);
        \draw[shrt] (n10.south west) -- (n1);
        \node[ellipse,draw,fit=(n6) (n7),inner sep=1pt] (n6n7) {};
        \draw[shrt] ([x-]n10.south east) -- ([x-]n6n7.north);
        \draw[shrt] ([x+]n10.south east) -- ([x+]n6n7.north);
    \end{tikzpicture}