Page 144 - Maths Class 03

Carry On

1. Complete the sentence.
a. 1 kilogram = grams b. 2 kilograms 30 grams = grams

1 1
c. 1 — kilograms = grams d. 3 — kg = grams
2 2
2. Fill in the blanks.

a. ___________ is the unit used to measure heavier objects.
b. To convert kg into g, we multiply ___________ .
c. We measure lighter objects in the unit called ___________ .

d. The weight of a T.V. set and a bicycle is measured in ___________ .
e. 7 kg is equal to ___________ grams.

Addition and Subtraction of Weight

The process of addition and subtraction in measures of weight is the same

as that of natural numbers.

Example : Add.

a. 364 g and 892 g b. 642 g and 839 g

g g

3 6 4 6 4 2

+ 5 9 2 + 8 3 9

9 5 6 1 4 8 1

\ 956 g \ 1 kg 481 g

c. 18 kg 356 g and 29 kg 255 g d. 56 kg 750 g and 162 kg 578 g

kg g kg g

1 8 3 5 6 5 6 7 5 0
+ 2 9 2 5 5 + 1 6 2 5 7 8

4 7 6 1 1 2 1 9 3 2 8

\ 47 kg 611 g \ 219 kg 328 g

Mathematics-3 144