Page 83 - Mathematics_Std_4

Exercise 13

1. A gas cylinder has a volume of 18 litres. If 13 litres are

used, how many litres will remain?
FOR ONLINE READING ONLY
2. How many 500 mL water bottles are needed to fill a 20-litre
bucket?

3. A 1 litre bottle contains 750 mL of milk. How much more is
needed to fill the bottle?

4. Lina, Sanka, and Imani filled a water bucket. If Lina put in
5 litres, Sanka 2 litres and Imani 3 litres, what is the total

volume of water in millilitres that they all put in together?

5. Mbale drank 3 litres of water and Senga drank 2,000
millilitres of water. Find the difference in the amount of water
they drank.

6. A water well produces 24,758 litres and 580 millilitres of
water per day. If 17,900 litres and 846 millilitres are used

every day, how much water remains?

Activity Learning measurements of length, mass and
volume through reliable online materials

Description
Use various reliable programs such as Khan Academy to learn
more about measurements of length, mass and volume.

Summary

1. The basic unit of length is metre (m)
2. The basic unit of mass is gram (g)

3. The basic unit of volume is litre (L)

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MATHEMATICS STD 4 PB 2024.indd 76
MATHEMATICS STD 4 PB 2024.indd 76 07/11/2024 14:04:14