Page 101 - ICSE Math 6
P. 101
2. Write the decimals in the ascending order.
(a) 6.66, 0.66, 66.6 and 666 (b) 1.23, 12.3, 2.13, 2.31 and 1.32
(c) 91.657, 90.99, 91.567, 91.675 and 909.9 (d) 4.56, 4.65, 4.66 and 4.55
3. Write the decimals in the descending order.
(a) 21.04, 20.14, 2.104, 201.4 and 21.4 (b) 12.567, 125.67, 12.657 and 12.765
(c) 515.76, 51.576, 51.765, 51.675 and 515.67 (d) 13.356, 13.536, 1.356 and 13.653
4. Identify the greatest and the smallest decimals from 2.701, 0.271, 27.01, 270.1 and 2.170.
5. Write the following as decimals.
75 11 1 199 6423
(a) (b) (c) (d) (e)
10 1000 1000 100 1000
6. Write the following fractions as decimals.
2 12 792 1 7
(a) (b) (c) (d) 12 (e) 5
5 25 200 10 8
7. Write the following decimals as fractions.
(a) 0.6 (b) 2.22 (c) 8.456 (d) 126.6
8. Add the following.
(a) 0.657, 2.59 and 120 (b) 0.71, 0.33 and 131.5
(c) 15.64, 11.453 and 64.58 (d) 7.3, 3.24, 10 and 21.56
9. Subtract the following.
(a) 41.52 – 24.21 (b) 0.9 – 1.9 (c) 21.2 – 16.99
(d) 165.565 – 170.9 (e) 199.9 – 20.9 (f) 156.751 – 160.999
10. From the sum of 212.51 and 12.99, subtract the sum of 11.98 and 200.9.
11. By how much does the sum of 2.956 and 14.566 exceed the sum of 1.95 and 9.54?
12. Two friends are 1.54 m and 95 cm tall respectively. What is the difference between their heights
in metres and in centimetres separately?
13. Simi purchased vegetables for ` 89.50, rice for ` 236.25, fruits for ` 34.65 and refined oil for
` 65.35. How much did she spend altogether?
14. The maximum temperature of a city was recorded as 44.6°C and minimum temperature was
recorded as 33.9°C. What is the difference in these temperatures?
15. Himani buys a pair of trousers and a shirt for ` 565.99 and ` 455.50 respectively. What is the
total cost of these items? If she has ` 1,200, how much money will be left with her after this
shopping?
16. Neha travelled 18 km 343 m by bus, 4 km 15 m by auto-rickshaw and finally walked 208 m to
reach the stadium for her basketball match. What is the total distance covered by her?
THINK SMART
1. A 4-digit number is divided by 100. Which of the following can be the whole part of decimal so
obtained?
(i) 2 (ii) 20 (iii) 215 (iv) 7,268
2 4
2. Are the decimal notations of and equivalent? Justify your answer.
5 10
85