1) 57+23= ? a) 59 b) 80 c) 86 2) 24+24= ? a) 84 b) 34 c) 48 3) 15+57= ? a) 72 b) 27 c) 92 4) 32+63= ? a) 59 b) 95 c) 85 5) 38+47= ? a) 85 b) 65 c) 75

Two-Digit Addition with and without Regrouping

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