Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 10 · 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. 1.11 × 19 =
2. 2.10 × 19 =
3. 3.5 × 19 =
4. 4.7 × 98 =
5. 5.8 × 29 =
6. 6.8 × 98 =
7. 7.4 × 19 =
8. 8.9 × 9 =
9. 9.25 × 98 =
10. 10.14 × 98 =
11. 11.9 × 19 =
12. 12.13 × 9 =
13. 13.8 × 49 =
14. 14.13 × 9 =
15. 15.3 × 29 =
16. 16.15 × 99 =
17. 17.15 × 19 =
18. 18.37 × 98 =
19. 19.12 × 49 =
20. 20.4 × 19 =
21. 21.11 × 9 =
22. 22.5 × 29 =
23. 23.10 × 19 =
24. 24.10 × 29 =
25. 25.30 × 99 =
26. 26.6 × 9 =
27. 27.15 × 19 =
28. 28.6 × 99 =
29. 29.7 × 9 =
30. 30.30 × 98 =
31. 31.28 × 99 =
32. 32.10 × 29 =
33. 33.3 × 98 =
34. 34.7 × 99 =
35. 35.6 × 19 =
36. 36.5 × 49 =
37. 37.14 × 19 =
38. 38.9 × 49 =
39. 39.31 × 98 =
40. 40.10 × 29 =

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