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Math review Benchmark 1 Topic 1-4 Flashcards | StudBud
Math review Benchmark 1 Topic 1-4
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Mary has 38 stickers. Zoe has 21 stickers. Which number sentence is best to estimate how many stickers in all?
A
30 + 20 = 50
B
40 + 20 = 60
C
40 + 30 = 70
D
30 + 30 = 60
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