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# Equations

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244
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Nicole has 27 butterfly stickers and 14 panda stickers. About how many stickers does she have in all?

Sep 9, 2022

#1
+357
0

...41

(I checked my work 3 times because if I mess this one up I will never live this down)

Yay?

Sep 9, 2022
#2
+514
+1

Detailed Solution

$$\mathrm{Line\:up\:the\:numbers}$$

$$\begin{matrix}\:\:&2&7\\ +&1&4\end{matrix}$$

$$\mathrm{Add\:each\:column\:of\:digits,\:starting\:on\:the\:right\:and\:working\:left.}$$

$$If\:the\:sum\:of\:a\:column\:is\:more\:than\:ten,\:'carry'\:digits\:to\:the\:next\:column\:on\:the\:left.$$

$$\mathrm{Add\:the\:digits\:of\:the\:bolded\:column}:\quad \:7+4=11$$

$$\begin{matrix}\:\:&2&\textbf{7}\\ +&1&\textbf{4}\end{matrix}$$

$$\mathrm{Carry\:}1\mathrm{\:to\:the\:column\:on\:the\:left\:and\:write\:}1\mathrm{\:in\:the\:bolded\:column}$$

$$\frac{\begin{matrix}\:\:&1&\textbf{\:\:}\\ \:\:&2&\textbf{7}\\ +&1&\textbf{4}\end{matrix}}{\begin{matrix}\:\:&\:\:&\textbf{1}\end{matrix}}$$

$$\mathrm{Add\:the\:digits\:of\:the\:bolded\:column}:\quad \:1+2+1=4$$

$$\frac{\begin{matrix}\:\:&\textbf{1}&\:\:\\ \:\:&\textbf{2}&7\\ +&\textbf{1}&4\end{matrix}}{\begin{matrix}\:\:&\textbf{4}&1\end{matrix}}$$

Sep 10, 2022