# 3rd grade math

posted by Reid

sara wants to know how many boxes of cookies her entire girl scout troop sold. How could she use compatible numbers to find the sum?

kate 52 boxes
sara 43 boxes
jen 18 boxes
haliey 27 boxes

1. Ms. Sue

50 + 40 + 20 + 30 = ?

Then >> 2 + 3 - 2 - 3 = ?

2. charu

1. 140
2.0

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