Page 127 - New Medley 4 Semester 1

Steps in addition

Z Z We arrange the digits in columns of ten thousands, thousands, hundreds,
tens and ones.

Z Z We write zero for vacant places.

Z Z Now we add numbers in each column separately.

Example 1: Arrange in columns and add: 26303 and 31674

Solution: TTh Th H T O

2 6 3 0 3

+ 3 1 6 7 4

5 7 9 7 7

Sum = 57977.

Example 2: Arrange in columns and add: 254329 and 342957

Solution: L TTh Th H T O

1 1

2 5 4 3 2 9

+ 3 4 2 9 5 7

5 9 7 2 8 6

EXERCISE 2.1

A. Add the following numbers.
1. TTh Th H T O 2. TTh Th H T O

5 2 5 1 3 3 2 6 1 2

+ 2 4 4 2 4 + 6 4 3 8 4

3. TTh Th H T O 4. TTh Th H T O

4 8 6 5 2 5 4 6 8 4

+ 3 8 5 8 7 + 2 0 8 5 6

125