Fun with Mental Math | Page 11

Your Turn Now

Example

Subtract: 51- 26=

Think, 26 + 10= 36

36 + 10= 46

46 + 5= 51

Add up the numbers, you get 10+10+5 = 25

84 - 47=

Answer on page 12

7

Fun with Mental Math | Page 10 Fun with Mental Math | Page 12

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