Page 85 - Revised Maths Wisdom Class - 1

Additi on of 2-Digit Numbers 83

Let us take another example.

Let us add 35 and 17.

3 tens

T O

3 5 5 ones
12 ones
1 ten
+ 1 7
1 ten
7 ones
5 2 2 ones

5 tens 2 ones

T O 5 ones + 7 ones = 12 ones = 1 ten + 2 ones
1 We write 2 in ones column and carry over
3 5 1 ten to tens column.
+ 1 7 Then add 1 + 3 + 1 = 5

5 2
1

Addition with Counters

Let us take an example to add 45 and 37.

Tens Ones 1

= 10 = 1 4 5

45 + 3 7

37 8 2

Total

8 2 Total

Total: Eighty two