Page 21 - ICSE Math 4

5. Arrange the following numbers in descending order.
(a) 66,075; 69,328; 69,915; 66,208; 67,143

(b) 10,081; 10,180; 10,089; 10,918; 10,810

6. Write the smallest and the largest 6-digit numbers that can be formed using the
digits 8, 4, 0, 7, 5 and 2 without repea ng any digit.

7. Write the smallest and the largest 6-digit numbers that can be formed using the

digits 9, 4, 0, 1 and 8 by repea ng the digit 4 twice.

8. Arjun wants to treat his friends on his birthday. Using the given informa on,
es mate the total amount he needs to give the treat.

• 4 packets of chips cos ng ` 78 (round off to the nearest 10)
• 6 samosas cos ng ` 62 (round off to the nearest 10)

• 4 pizzas cos ng ` 1,549 (round off to the nearest 1,000)

• 5 sandwiches cos ng ` 135 (round off to the nearest 100)
• 1 carton of juice cos ng ` 178 (round off to the nearest 100)

9. Write True or False.

(a) The successor of 2,86,789 is 2,86,788.
(b) The smallest 6-digit number is 1,00,000.

(c) 82,354 when rounded off to the nearest hundred is 92,400.

(d) Number of tens in ten thousand is 100.
(e) The place value of 4 in 4,82,619 is four lakhs.

10. Choose the correct answer.

(a) 50,000 + 700 + 80 + 4 in standard form is __________.

(i) 50,784 (ii) 57,084 (iii) 57,804
(b) The predecessor of 1,20,980 is __________.

(i) 1,20,981 (ii) 1,20,990 (iii) 1,20,979

(c) The place value of 5 in 15,68,324 is __________.

(i) 50,000 (ii) 5,00,000 (iii) 5,000
(d) 8,939 when rounded off to the nearest 100 is __________.

(i) 8,900 (ii) 8,800 (iii) 8,940

(e) The largest 6-digit even number formed using the digits 2, 0, 1, 2, 4, 8 is
__________.

(i) 8,42,120 (ii) 8,42,210 (iii) 8,41,220

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