Page 35 - fun with math

Addition ( Two - digit numbers)

Add : 25 and 43.
It is written as under

First, add ones
Tens Ones 5 + 3 = 8

2 5 Then, add tens

4 3
+ 2 + 4 = 6

6 8

so, 25 + 43 = 68

Add the following two - digits numbers :

Tens Ones Tens Ones Tens Ones Tens Ones

2 5 1 2 5 8 2 6

+ 2 2 + 2 6 + 3 0 + 7 1

Tens Ones Tens Ones Tens Ones Tens Ones

3 3 1 4 4 7 3 6

+ 3 6 + 3 5 + 4 1 + 3 3

35