Page 145 - Revised Maths Wisdom Class - 3

Weight 143

Exercise 11B

1 Add the following.

(a) 9 8 0 g (b) 4 4 0 g (c) 9 0 kg
+ 2 7 0 g + 1 0 7 g + 2 7 kg

(d) kg g (e) kg g (f) kg g
2 3 1 9 2 8 4 2 7 5 1 0 3 2 0
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+ 1 8 3 6 5 + 9 1 6 5 + 7 3 1 9 2

2 Subtract the following.

(a) 4 1 7 g (b) 8 3 4 kg (c) 7 0 0 kg
– 2 9 0 g – 7 8 kg – 1 9 7 kg

(d) kg g (e) kg g (f) kg g
4 3 9 7 2 8 4 4 3 7 8 1 0 2 5 7
– 1 9 3 2 1 – 9 6 2 5 – 1 4 9 6 3

3 Add 10 kg 500 g, 2 kg 750 g and 395 g.

4 Find the diff erence between 23 kg 795 g and 12 kg.

5 Subtract 485 g from 3 kg.

6 Add 107 kg, 295 kg 5 g and 43 kg 235 g.

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Example 1. The weight of an orange is 615 grams. The weight of a banana is 120 grams
less than the weight of the orange. What is the weight of the banana?