Page 23 - ICSE Math 4

Progress Worksheet

Mental Maths

1. Choose the correct answer.
(a) The place value of 6 in 14,67,234 is _____________.

(i) 60,000 (ii) 6,00,000 (iii) 6,000
(b) 60,000 + 600 + 80 + 7 in standard form is _____________.

(i) 60,687 (ii) 60,087 (iii) 60,807

(c) The predecessor of 1,20,989 is _____________.
(i) 1,20,981 (ii) 1,20,990 (iii) 1,20,988

(d) 6,938 when rounded off to the nearest 100 is _____________.
(i) 6,900 (ii) 6,800 (iii) 6,940

2. Put the correct sign >, < or =.
(a) 5,00,488 ______ 5,00,488 (b) 4,07,632 ______ 4,05,429

(c) 9,53,085 ______ 9,54,805 (d) 59,310 ______ 59,301

Solve and Answer

3. Represent the numbers given in the boxes on the abacus.

(a) TTh Th H T O (b) TTh Th H T O (c) TTh Th H T O

74,895 23,386 65,127

4. Iden fy the smallest number from the given group of numbers.

(a) 9,95,520; 9,95,725; 9,95,830; 9,95,723

(b) 25,745; 25,947; 25,652; 25,735
(c) 1,72,250; 1,72,060; 1,72,170; 1,72,210

5. Arrange the following numbers in both ascending order and descending order.

(a) 12,035; 10,235; 51,103; 30,635; 10,102

(b) 6,69,784; 5,64,032; 654,052; 5,66,302

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