3rd grade math

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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

  • 3rd grade math -

    50 + 40 + 20 + 30 = ?

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

  • 3rd grade math -

    1. 140
    2.0

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