Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 751 · 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. 1.12 × 29 =
2. 2.28 × 99 =
3. 3.7 × 49 =
4. 4.15 × 19 =
5. 5.15 × 19 =
6. 6.8 × 29 =
7. 7.11 × 9 =
8. 8.6 × 29 =
9. 9.8 × 29 =
10. 10.6 × 49 =
11. 11.13 × 49 =
12. 12.5 × 19 =
13. 13.4 × 9 =
14. 14.13 × 49 =
15. 15.13 × 29 =
16. 16.28 × 99 =
17. 17.11 × 9 =
18. 18.8 × 49 =
19. 19.14 × 19 =
20. 20.7 × 19 =
21. 21.10 × 98 =
22. 22.10 × 99 =
23. 23.12 × 29 =
24. 24.4 × 29 =
25. 25.10 × 49 =
26. 26.3 × 19 =
27. 27.6 × 9 =
28. 28.11 × 19 =
29. 29.9 × 98 =
30. 30.6 × 49 =
31. 31.14 × 49 =
32. 32.3 × 19 =
33. 33.9 × 9 =
34. 34.10 × 29 =
35. 35.10 × 19 =
36. 36.40 × 98 =
37. 37.5 × 49 =
38. 38.5 × 9 =
39. 39.13 × 98 =
40. 40.35 × 99 =

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