Page 165 - Touchpad Mathematics_Ver1.0_C4

Exercise 10A

1. Write the correct unit (kg, mg or g) used to weigh the following objects.

a. b. c. d.

_________ _________ _________ _________

e. f. g. h.

_________ _________ _________ _________

2. Collect the following things from your surroundings and estimate their weights by
holding them in your hand. estimate and write whether the given objects weigh more
than 1 kg or less than 1 kg.

a. b. c. d.

_________ _________ _________ _________

e. f. g. h.

_________ _________ _________ _________

21 st
ConverSion Century #Computational Thinking
Skills
The following relationships between the units of weight are helpful in conversion.

1 kilogram = 1000 grams or 1 kg = 1000 g
1 gram = 1000 milligrams or 1 g = 1000 mg

Kilograms into grams

To convert kilograms into grams, we multiply the number of kilograms by 1000 and
put g to the right of the product.
examples: a. 9 kg = (9 × 1000 ) g = 9000 g b. 4 kg = (4 × 1000 ) g = 4000 g

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Measurement of Weight