Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 896 · 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. 1.31 × 98 =
2. 2.32 × 98 =
3. 3.4 × 29 =
4. 4.3 × 9 =
5. 5.6 × 9 =
6. 6.36 × 98 =
7. 7.11 × 49 =
8. 8.12 × 49 =
9. 9.15 × 9 =
10. 10.12 × 98 =
11. 11.10 × 49 =
12. 12.29 × 99 =
13. 13.25 × 99 =
14. 14.15 × 9 =
15. 15.9 × 98 =
16. 16.3 × 49 =
17. 17.9 × 19 =
18. 18.5 × 19 =
19. 19.28 × 99 =
20. 20.11 × 29 =
21. 21.14 × 19 =
22. 22.32 × 98 =
23. 23.6 × 9 =
24. 24.8 × 29 =
25. 25.10 × 19 =
26. 26.5 × 99 =
27. 27.15 × 19 =
28. 28.6 × 29 =
29. 29.3 × 19 =
30. 30.31 × 99 =
31. 31.5 × 49 =
32. 32.15 × 29 =
33. 33.6 × 98 =
34. 34.6 × 29 =
35. 35.33 × 98 =
36. 36.11 × 9 =
37. 37.15 × 29 =
38. 38.12 × 19 =
39. 39.10 × 9 =
40. 40.22 × 99 =

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