Page 148 - Mathematics_Std_4

Exercise 8

1. Amina bought 2.15 kilograms of onions and 4.72 kilograms
of potatoes. How many kilograms did Amina buy in
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total?

2. Rashidi weighs 70.5 kilograms and Joyce weighs 68.15
kilograms. Find their total weight.

3. One farmer stores 80.9 tonnes of crops in his warehouse.
Another farmer stores 132.708 tonnes of crops in his
warehouse. How many tonnes of crops do they store in

total?

4. Juliana sold 851.5 kilograms of maize and 925.25 kilograms

of millet. Find the difference between the weight of millet
and maize.

5. Two dairy cows produce milk as follows: the first cow

produces 18.38 litres of milk and the second produces
22.34 litres of milk. Find the difference of the volume of

milk produced by these cows.

6. A train is pulling four carriages weighing 112.37 tons,
115.74 tons, 108.39 tonnes and 114.28 tonnes. How many

total tonnes of carriages is the train pulling?

7. A carpenter used planks with length of 0.85 metres, 0.99

metres, and 1.75 metres to make a table. Find the total
length of the planks used.

8. A businessman sold 275.85 kilograms of rice and 152.125

kilograms of wheat flour. How many total kilograms of rice
and wheat flour did the businessman sell?

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MATHEMATICS STD 4 PB 2024.indd 141
MATHEMATICS STD 4 PB 2024.indd 141 06/11/2024 17:17:51