Page 199 - ICSE Math 4

3. Arrange 67,123; 89,780; 79,270; 99,780 in ascending and descending orders.

4. Write the following in the Hindu-Arabic numeral system.
(a) XXVIII (b) XXIX (c) D
5. Write the following in the Roman numeral system.

(a) 33 (b) 25 (c) 29
6. Draw the hour hand and minute hand to show the given me.
(a) 5 o’clock (b) 11 o’clock

XII XII
XI I XI I
X II X II
IX III IX III
VIII IV VIII IV
VII V VII V
VI VI
7. Write 5,980 as the sum of the two and three numbers in diff erent ways.

8. Es mate the sum of 1,048; 4,281 and 6,784 by rounding off the addends to the nearest
1,000.
9. Add 4,624 and 4,100 using the expanded form.
10. Find the diff erence between 6,890 and 4,780 using the es ma on method by rounding off
each number to the nearest 100. Then, compare with the actual value.
11. Subtract 6,789 from 7,000 using the expanded form.
12. Solve the following.

(a) 1,135 + 5,990 – 4,780 (b) 1,890 + 6,789 – 3,890
13. A company has 1,563 employees. There are 80 company cars. If 11 employees travel in each
car, how many employees travel by other means of transport?
14. A farmer has 17 boxes. He has to put 45 tomatoes in each box. How many tomatoes should
he have altogether?
15. Mul ply 467 and 221 using both la ce and column method.
16. Divide using long division and check your answer.

(a) 905 ÷ 5 (b) 985 ÷ 2
17. Frame a word problem for 920 ÷ 8. Also, solve the problem.
18. Find the quo ent obtained on dividing 128 by 4.
19. Write the fi rst fi ve mul ples of 19.

20. Find the prime factors of 318 by prime factoriza on method.
21. Find the H.C.F of the following numbers by both lis ng method and common division method.
(a) 14, 52, 100 (b) 50, 78 and 98
22. Solve the following.
23 37 3 11 25
(a) Subtract from . (b) Add + + .
48 48 28 28 48
23. Find the missing digits.
2 ? 13 10 ? 3 ? 38
(a) = (b) + = (c) + =
5 35 24 24 24 57 57 57

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