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2 kg = 2 × 100 g = 2000 g

2 kg 5 g = 2000 g + 5 g = 2005 g

2 kg 30 g = 2000 g + 30 g = 2030 g

2 g 150 g = 2000 g + 150 g = 2150 g

To change g to kg divide by 1000.

4000 kg = 4000 ÷ 1000 = 4 kg

2476 g = 2000 g + 476 g = 2 kg 476 g

4070 g = 4000 g + 70 g = 4 kg 70 g

6005 g = 6000 g + 5 g = 6 kg 5 g

MENTAL MATHS-5

A. Give correct unit ( / g kg ) for measuring the weights of the following
objects:

(a) Weight of a pencil ________________________

(b) Weight of a bat ________________________

(c) Weight of a chocolate ________________________

(d) Weight of a doll ________________________

(e) Weight of a watermelon ________________________

(f) Weight of an apple ________________________

B. Fill in the blanks:

(a) 3 kg = g (b) 6 kg = g

(c) 8 kg = g (d) 3000 g = kg

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Mathematics-3