Page 157 - Start Up Mathematics_4

Example 6: From the sum of ` 1,516.25 and ` 625.80, subtract ` 1,495.75.

Solution: Add Subtract
10 13 11
1 1 1 1 0 3 1 10
` 1 5 1 6 . 2 5 ` 2 1 4 2 . 0 5

+ ` 6 2 5 . 8 0 – ` 1 4 9 5 . 7 5

` 2 1 4 2 . 0 5 ` 0 6 4 6 . 3 0
Answer: ` 646.30

EXERCISE 11.1

1. Fill in the blanks.

(a) ` 24 = _______ p (b) ` 28.90 = _______ p
(c) 753 p = ` _______ (d) 1,648 p = ` _______
(e) 9,036 p = ` _______

2. Add.

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

+ ` 2 1 5 9 . 4 3 ` 1 6 0 3 . 2 1 ` 3 1 5 . 5 9

+ ` 4 9 7 . 5 6 + ` 2 6 4 . 7 9

(d) ` 1,752 and ` 213.68 (e) ` 3,610, ` 1,245.35 and ` 4,600.70

(f) ` 827.69, ` 1,064.35 and ` 2,143.20 (g) ` 3,192.75, ` 1,647.25 and ` 2,085.50

3. Subtract.

(a) ` 1 2 3 6 . 4 5 (b) ` 6 2 4 7 . 6 5 (c) ` 9 2 5 8 . 4 0

– ` 3 4 2 . 5 0 – ` 3 1 2 4 . 3 5 – ` 4 0 7 6 . 3 5

(d) ` 426.35 from ` 807.25 (e) ` 1,342.07 from ` 4,065.18 (f) ` 931.26 from ` 2,450

4. From the sum of ` 2,415 and ` 3,640.25, subtract ` 895.75.

5. Subtract the sum of ` 314.68 and ` 2,157.20 from ` 5,546.10.
6. From the sum of ` 4,362.35 and ` 2,164.75, subtract the sum of ` 1,085.20 and ` 261.95.

7. Add the difference of ` 261.45 and ` 1,842.35 to the difference of ` 1,120.10 and
` 3,461.75.

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