Page 165 - Revised Maths Wisdom Class - 3

Money 163

Shortcut Method
Shortcut Method

As done for addition, we can also subtract the two amounts with this simpler method.

Example 2: Find the diff erence between ` 100 and ` 53.25.

Solution: Arrange the given amounts in columns and subtract.

` 1 0 0 . 0 0
R
– ` 5 3 . 2 5 Remember!emember!emember!
` 4 6 . 7 5  In doing subtraction of

© G. Ram Books (P.) Ltd.©
money always write the
Hence, the diff erence is ` 46.75. bigger number fi rst and
regroup if needed.

Exercise 13C

1 Subtract the following amounts by converting them into paise.

(a) 20 rupees 85 paise from 98 rupees 50 paise

(b) 189 rupees 25 paise from 198 rupees 50 paise

(c) 86 rupees 86 paise from 200 rupees

(d) 40 rupees 25 paise from 84 rupees 10 paise

2 Subtract the following.

(a) ` 1 5 4 . 3 5 (b) ` 2 0 0 . 0 0 (c) ` 2 4 6 . 3 5

– ` 8 2 . 9 0 – ` 5 2 . 6 5 – ` 1 0 0 . 9 0

(d) ` 3 7 0 . 3 5 (e) ` 6 0 0 . 7 5 (f) ` 5 6 . 0 0

– ` 5 5 . 9 5 – ` 8 9 . 9 0 – ` 2 4 . 7 5

3 Find the diff erence between the following amounts.

(a) ` 39.08 and ` 16.35 (b) ` 106.85 and ` 56.27 (c) ` 680.35 and ` 339.25
(d) ` 439.80 and ` 296.85 (e) ` 96.35 and ` 83.05