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There are 21 children in Kathleen's class. 12 of the children are girls. How many children in her class are boys? Explain how you decided what number sentence to write

User ClarkXP
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2 Answers

1 vote
No. of children =21
No. of girls =12
So, the rest are boys
So you will subtract
21-12=9
User Mindex
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7.0k points
2 votes
21 students
-12 girls
------
9 boys
User Alex Griffis
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