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3/25/25 Properties to Add and Subtract

Last updated 12 months ago

4 questions

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Question 1

1.

Which number should we break apart to add 137 + 103?

137

103

Question 2

2.

How can we break apart 154 to make it easier to add 187 + 154 using friendly numbers?

100 + 50 + 4

140 + 14

151 + 3

150 + 4

Question 3

3.

Which answer shows a way to subtract 297-47 using friendly numbers?

290 - 54

290 - 50

300 - 50

Question 4

4.

Which answer shows a way to subtract 713-8 using friendly numbers?

715 - 10

720 - 1

710 - 11