Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 524 · 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. 1.32 × 98 =
2. 2.28 × 99 =
3. 3.31 × 98 =
4. 4.7 × 49 =
5. 5.7 × 49 =
6. 6.33 × 99 =
7. 7.8 × 9 =
8. 8.9 × 9 =
9. 9.40 × 99 =
10. 10.40 × 98 =
11. 11.8 × 49 =
12. 12.5 × 9 =
13. 13.14 × 49 =
14. 14.25 × 98 =
15. 15.19 × 99 =
16. 16.15 × 9 =
17. 17.39 × 98 =
18. 18.10 × 9 =
19. 19.4 × 49 =
20. 20.27 × 98 =
21. 21.11 × 9 =
22. 22.37 × 99 =
23. 23.12 × 29 =
24. 24.22 × 98 =
25. 25.7 × 98 =
26. 26.22 × 98 =
27. 27.5 × 29 =
28. 28.32 × 99 =
29. 29.13 × 49 =
30. 30.4 × 19 =
31. 31.15 × 9 =
32. 32.5 × 99 =
33. 33.29 × 99 =
34. 34.5 × 19 =
35. 35.4 × 98 =
36. 36.15 × 9 =
37. 37.5 × 9 =
38. 38.9 × 9 =
39. 39.39 × 98 =
40. 40.3 × 98 =

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