Page 121 - NUMINO_WB_1B

036-B4-1

Different Methods
1. Write the missing numbers.

Example

12 + 21 = 10 + 2 + 20 + 1 = 30 + 3 = 33

a. 32 + 17 = +2+ +7
= +9=

b. 21 + 25 = +1+ +5
= +=

c. 13 + 35 = ++ +
= +=

d. 12 + 16 = ++ +
= +=

e. 34 + 42 = ++ +
= +=