Tutorial World Primary 1
Name:_________________________ Date:_______________


The Four Operations Of Decimals (10.2)

A. Fill in the blanks.
1. 10.34 + 4.3 = __________ 2. 0.51 3 = __________
3. 41.73 - 20.1 = __________ 4. 9.75 x 6 = __________
5. 70.6 x 3 = __________ 6. 28.6 + 3.12 = __________
7. 35.05 5 = __________ 8. 98.34 - 20.4 = __________
9. 80.31 x 6 = __________ 10. 30.36 4 = __________
11. 78.6 3 = __________ 12. 3.7 x 14 = __________

B. Fill in the blanks.

1. 1.7 = ____________ hundredths

2. 4 km 20 m = ____________ m

3. 2.08 kg = ____________ g

4. 10 = ____________ tenths

5. 0.3 , 0.6 , 0.9 , __________

6. 0.2 , 0.16 , 0.12 , __________ , 0.04

C. Solve the problems below.
1. A square has sides 2.4 cm. A rectangle has the same perimeter as the square. If the length of the rectangle is 2.8 cm, what is its breadth?
2. The weight of 1 exercise book is 0.45 kg. The total weight of 11 exercise books and 6 jotter books is 6.75 kg. Find the weight of 1 jotter book.
3. 1 stick of chicken satay costed $0.35 and 1 stick of beef satay costed $0.40. Mr Ong bought 20 sticks of chicken satay and 20 sticks of beef satay. If he paid the satay-seller $20, how much change would he get?
4. Sumei had 5 litres of orange juice. She poured the juice equally into 8 glasses and had 0.52 litres left. How much orange juice was there in each glass?
5. 15 papayas weigh 13.5 kg. The weight of an apple is 0.6 kg less than that of a papaya. What is the weight of 4 apples?


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