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Making equal Weights

Two 500 g-weights weigh 1 kg. Five 100 g-weights weigh 500 g.
2 × 500 g = 1000 g = 1 kg 5 × 100 g = 500 g

Two 200 g and one 100 g weights weigh 500 g. Five 200 g-weights weigh 1 kg.
2 × 200 g + 100 g = 500 g 5 × 200 g = 1000 g = 1 kg

Life Skills
Collect the things from your surroundings and Remember
1
estimate their weights by holding them. Write 250 g = kg,
4
1
whether the given objects weigh more than 1 kg or 500 g = kg,
less than 1 kg. 2
1000 g = 1 kg

Practice time 9B

1. Convert the following into grams.

(a) 7 kg (b) 9 kg (c) 14 kg 200 g (d) 59 kg 350 g

2. Convert the following as directed:

(a) 3000 g into kg (b) 6000 g into kg

(c) 3124 g into kg and g. (d) 4128 g into kg and g.
3. Circle the weights that make 1 kg of the given things.

(a) 1 kg

(b) 1 kg

(c) 1 kg

154 Mathematics-3