Page 156 - Math Genius C3

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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

Think Tank
Neha wants to buy 750 g of
Life Skills Experiential Learning tomatoes. The vendor has only
Collect things from your surroundings and two weights, 1 kg and 250 g.
guess their weights by holding them. Write whether Help the vendor to measure
750 g of tomatoes with these
the things weigh more than 1 kg or less than 1 kg. two weights.

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 used to weigh the given things.

(a) 1 kg

(b) 1 kg

(c) 1 kg

154 Mathematics-3