Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 119 · 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. 1.15 × 29 =
2. 2.8 × 49 =
3. 3.3 × 29 =
4. 4.4 × 9 =
5. 5.22 × 99 =
6. 6.5 × 99 =
7. 7.13 × 29 =
8. 8.14 × 19 =
9. 9.5 × 29 =
10. 10.11 × 29 =
11. 11.15 × 9 =
12. 12.20 × 99 =
13. 13.39 × 99 =
14. 14.4 × 99 =
15. 15.14 × 98 =
16. 16.9 × 19 =
17. 17.3 × 19 =
18. 18.9 × 29 =
19. 19.20 × 98 =
20. 20.9 × 19 =
21. 21.13 × 9 =
22. 22.11 × 49 =
23. 23.8 × 29 =
24. 24.15 × 49 =
25. 25.3 × 19 =
26. 26.28 × 98 =
27. 27.18 × 98 =
28. 28.7 × 19 =
29. 29.16 × 98 =
30. 30.10 × 19 =
31. 31.12 × 99 =
32. 32.19 × 98 =
33. 33.3 × 29 =
34. 34.7 × 98 =
35. 35.13 × 9 =
36. 36.8 × 29 =
37. 37.5 × 19 =
38. 38.34 × 99 =
39. 39.28 × 99 =
40. 40.11 × 19 =

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