Page 120 - New Medley 4 Semester 2 PDF (Merged)

9
1 10 10
→
5 . 2 5 . 2 0 0
→
– 3 . 1 2 5 3 . 1 2 5

←
2 . 0 7 5 2 . 0 7 5 Thus, 5.2 – 3.125 = 2.075

EXERCISE 2.3

A. Add the following.

1. 4 . 6 2. 9 . 3 5 3. 8 . 3 2 2 4. 2 5 . 3 2

+ 2 . 8 + 3 . 4 7 + 0 . 5 9 5 + 4 . 1 6

B. Add.

1. 5.2 and 8.5 2. 133.52 and 21.23 3. 6.83 and 9.583

4. 1.7, 2.3 and 3.6 5. 2.53, 7.51 and 2.39 6. 2.681, 1.112 and 0.256

7. 3.5, 2.26 and 18.1 8. 1.89, 0.289 and 28.9 9. 0.4, 0.54 and 0.554

C. Subtract the following.

1. 6 . 4 2. 3 . 6 2 3. 4 . 7 2 5 4. 2 . 2 5

– 3 . 2 – 0 . 5 8 – 3 . 5 2 6 – 0 . 0 2 6

D. Subtract.

1. 3.6 from 7.4 2. 6.53 from 9.18 3. 15.523 from 20.234

4. 4.125 from 6.12 5. 6.87 from 18.523 6. 54.521 from 246.5

7. 13.69 from 25.4 8. 1.326 from 2 9. 3.45 from 5.011

THINK AND ANSWER • Logical reasoning

Asha buys 2.5 kg apples, 0.25 kg grapes, 0.5 kg oranges and 0.05 kg lemons.

1. Which item does she buy (a) minimum, (b) maximum?

2. Find the total weight of the items that Asha buys.

118