Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 54 · 40 questions

How it works (Round and adjust): Round up: 49 is 50 − 1, 98 is 100 − 2. Multiply by the round number. Take away the number times the bit you added.

1. 1.3 × 9 =
2. 2.4 × 99 =
3. 3.7 × 29 =
4. 4.15 × 9 =
5. 5.3 × 9 =
6. 6.14 × 49 =
7. 7.25 × 98 =
8. 8.6 × 9 =
9. 9.29 × 98 =
10. 10.6 × 29 =
11. 11.31 × 99 =
12. 12.35 × 98 =
13. 13.12 × 29 =
14. 14.5 × 9 =
15. 15.4 × 98 =
16. 16.11 × 19 =
17. 17.10 × 29 =
18. 18.3 × 99 =
19. 19.17 × 98 =
20. 20.9 × 19 =
21. 21.35 × 99 =
22. 22.22 × 98 =
23. 23.12 × 29 =
24. 24.9 × 99 =
25. 25.37 × 98 =
26. 26.14 × 29 =
27. 27.11 × 9 =
28. 28.19 × 99 =
29. 29.7 × 49 =
30. 30.9 × 19 =
31. 31.11 × 9 =
32. 32.5 × 19 =
33. 33.8 × 49 =
34. 34.4 × 99 =
35. 35.3 × 29 =
36. 36.39 × 98 =
37. 37.7 × 29 =
38. 38.15 × 19 =
39. 39.12 × 98 =
40. 40.4 × 9 =

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