Page 109 - ICSE Math 5

Review Exercise

1. Write the place value of each digit and the expanded form of the given decimal numbers.

(a) 4,972.485 (b) 368.523 (c) 243.795

2. Arrange the following decimals in ascending order.

(a) 0.81, 0.74, 2.09 (b) 0.016, 0.2, 0.007 (c) 3.724, 37.25, 37.214

3. Arrange the following decimals in descending order.
(a) 0.25, 0.55, 0.35 (b) 1.15, 5.11, 11.5 (c) 462.75, 416.75, 402.705

4. Convert the following as directed.
(a) 0.03, 150.3, 15.1 (Change to like decimals.)

(b) 2.04 (Change to fraction.)
3
(c) 2 (Change to decimal.)
10
5. Multiply the following.

(a) 2.75 × 1.2 (b) 341.75 × 4 (c) 483.14 × 3.6
(d) 272.14 × 7.9 (e) 361.79 × 14 (f) 832.03 × 2.1

6. Fill in the blanks.
(a) 3.14 × 10 = _________ (b) 7.279 × 100 = _________

(c) 4.62 × 100 = _________ (d) 24.314 × 1,000 = _________

(e) 206.42 × 1,000 = _________ (f) 364.79 × 10 = _________

7. Solve the following word problems.

(a) Tulika bought 2.750 kg apples, 1.250 kg grapes and 3.500 kg mangoes. What is the
total weight of the fruits bought by Tulika?
(b) Rajiv has to travel a total distance of 11.250 km. He walks 1.5 km before boarding
a bus and travels 6.5 km by the bus. How many more kilometres does he have to
travel?

(c) Vini bought 5 bottles of juice. If each bottle contains 750 mL of juice, how many litres
of juice did Vini buy?

(d) Satish had ` 1,284.25 on Monday morning. After a whole day’s sale, he had
` 10,000.50. How much money did he earn during the day?
(e) Aarushi has ` 500. She buys 4 paint brushes for ` 35.25 each, 3 bottles of water
colours for ` 28.75 each and 5 colour pens for ` 10.50 each. How much money does
Aarushi spend in all and how much money is she left with?

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