Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 93 · 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 × 99 =
2. 2.4 × 99 =
3. 3.4 × 19 =
4. 4.10 × 19 =
5. 5.33 × 99 =
6. 6.28 × 99 =
7. 7.12 × 49 =
8. 8.14 × 49 =
9. 9.25 × 98 =
10. 10.6 × 49 =
11. 11.22 × 99 =
12. 12.11 × 29 =
13. 13.13 × 19 =
14. 14.9 × 19 =
15. 15.15 × 99 =
16. 16.17 × 98 =
17. 17.14 × 19 =
18. 18.38 × 98 =
19. 19.8 × 98 =
20. 20.12 × 19 =
21. 21.8 × 98 =
22. 22.3 × 29 =
23. 23.37 × 98 =
24. 24.29 × 98 =
25. 25.9 × 49 =
26. 26.4 × 99 =
27. 27.38 × 99 =
28. 28.14 × 19 =
29. 29.11 × 9 =
30. 30.5 × 29 =
31. 31.3 × 19 =
32. 32.3 × 9 =
33. 33.6 × 49 =
34. 34.7 × 19 =
35. 35.3 × 49 =
36. 36.21 × 99 =
37. 37.12 × 9 =
38. 38.6 × 29 =
39. 39.5 × 9 =
40. 40.5 × 9 =

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