Rounding and estimation Worksheet-3

15. 4 ones + 6 tens + 6 hundreds =?

       A. 646                 B. 604                C. 664                 D. 466

16. Round 88 to the nearest ten.

       A. 80                   B. 85                   C. 75                   D. 90

17. What happens if you add an even number and an odd number?

       A. sum will be an even number

       B. sum will be an odd number

       C. sum can be either odd or an even number

       D. none of these

18. What is the ordinal number for 1?

       A. one                 B. first                C. second           D. third

19. What is the next odd number after 9?

       A. 10                   B. 8                     C. 11                    D. 13

20. What is the ordinal number for 3?

       A. 3                     B. three              C. third               D. thirteenth

Answers

(15)–C; (16)–D; (17)–B; (18)–B; (19)–C; (20)–C