Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 282 · 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. 1.37 × 99 =
2. 2.13 × 9 =
3. 3.13 × 19 =
4. 4.35 × 98 =
5. 5.35 × 98 =
6. 6.29 × 99 =
7. 7.9 × 9 =
8. 8.39 × 99 =
9. 9.14 × 29 =
10. 10.10 × 49 =
11. 11.38 × 98 =
12. 12.4 × 9 =
13. 13.3 × 19 =
14. 14.7 × 49 =
15. 15.3 × 49 =
16. 16.29 × 99 =
17. 17.15 × 29 =
18. 18.15 × 19 =
19. 19.3 × 19 =
20. 20.8 × 98 =
21. 21.13 × 19 =
22. 22.5 × 9 =
23. 23.9 × 9 =
24. 24.13 × 99 =
25. 25.3 × 9 =
26. 26.20 × 99 =
27. 27.32 × 99 =
28. 28.11 × 49 =
29. 29.8 × 29 =
30. 30.8 × 49 =
31. 31.32 × 98 =
32. 32.5 × 19 =
33. 33.8 × 49 =
34. 34.33 × 99 =
35. 35.11 × 29 =
36. 36.37 × 99 =
37. 37.10 × 19 =
38. 38.15 × 29 =
39. 39.12 × 99 =
40. 40.9 × 29 =

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