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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
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Jun 7, 2018
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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
Mathematics
middle-school
ClarkXP
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No. of children =21
No. of girls =12
So, the rest are boys
So you will subtract
21-12=9
Mindex
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Jun 9, 2018
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Mindex
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21 students
-12 girls
------
9 boys
Alex Griffis
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Jun 14, 2018
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Alex Griffis
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