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8. Match the following:

a. 10 i. 10 hundreds

b. 100 ii. 110 ones

c. 1000 iii. 10 tens

d. 110 iv. 10 ones

9. Fill in the missing numbers in the following sequences.

a. 7192, 7194, ________, 7198, ________

b. 6665, 6670, ________, ________, 6685, ________

c. 9050, 9070, ________, ________, ________, 9150

d. 7280, 7295, ________, ________, 7340, ________

10. Look at the numbers in the box.

a. Which of the following are true about the numbers in the box?

I. They are all greater than 40. 51 46 39

II. They are between 40 to 55. 54 48

III. All of them, on rounding to the nearest 10, give 50 except one number.

b. Guess the number of digits in the sum of all the numbers.

11. Using the following digits, build the greatest and the smallest 4-digit numbers:

a. 6, 4, 7, 1 ________________ ________________

b. 0, 8, 7, 5 ________________ ________________

12. round the following numbers to the nearest 10.

a. 84 ___________ b. 95 ___________

c. 61 ___________ d. 35 ___________

13. Form the greatest 2-digit number using the given digits. Also, state whether the
number is even or odd. (repetition of digits is not allowed.)

a. 3, 5, 8 ___________ ___________ b. 9, 1, 6 ___________ ___________

34 Mathematics 3