Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 641 · 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. 1.35 × 98 =
2. 2.4 × 29 =
3. 3.9 × 19 =
4. 4.11 × 49 =
5. 5.7 × 29 =
6. 6.30 × 98 =
7. 7.3 × 9 =
8. 8.3 × 19 =
9. 9.9 × 9 =
10. 10.8 × 9 =
11. 11.4 × 19 =
12. 12.38 × 98 =
13. 13.18 × 99 =
14. 14.19 × 98 =
15. 15.39 × 98 =
16. 16.13 × 19 =
17. 17.12 × 9 =
18. 18.25 × 99 =
19. 19.13 × 9 =
20. 20.11 × 9 =
21. 21.8 × 99 =
22. 22.3 × 49 =
23. 23.11 × 49 =
24. 24.13 × 99 =
25. 25.13 × 19 =
26. 26.22 × 98 =
27. 27.10 × 19 =
28. 28.3 × 29 =
29. 29.9 × 19 =
30. 30.10 × 19 =
31. 31.18 × 99 =
32. 32.14 × 9 =
33. 33.14 × 29 =
34. 34.18 × 99 =
35. 35.9 × 29 =
36. 36.9 × 9 =
37. 37.11 × 99 =
38. 38.15 × 98 =
39. 39.39 × 99 =
40. 40.5 × 19 =

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