Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 884 · 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. 1.13 × 29 =
2. 2.4 × 19 =
3. 3.15 × 29 =
4. 4.15 × 9 =
5. 5.10 × 99 =
6. 6.40 × 98 =
7. 7.10 × 49 =
8. 8.9 × 49 =
9. 9.13 × 9 =
10. 10.6 × 29 =
11. 11.6 × 9 =
12. 12.31 × 99 =
13. 13.21 × 99 =
14. 14.32 × 99 =
15. 15.15 × 9 =
16. 16.29 × 98 =
17. 17.27 × 99 =
18. 18.11 × 49 =
19. 19.6 × 19 =
20. 20.3 × 29 =
21. 21.3 × 98 =
22. 22.32 × 99 =
23. 23.5 × 29 =
24. 24.18 × 98 =
25. 25.11 × 99 =
26. 26.15 × 19 =
27. 27.10 × 19 =
28. 28.15 × 9 =
29. 29.22 × 99 =
30. 30.34 × 99 =
31. 31.13 × 19 =
32. 32.13 × 19 =
33. 33.22 × 99 =
34. 34.10 × 98 =
35. 35.14 × 9 =
36. 36.39 × 98 =
37. 37.22 × 98 =
38. 38.39 × 99 =
39. 39.7 × 9 =
40. 40.13 × 29 =

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