Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 475 · 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 × 19 =
2. 2.10 × 29 =
3. 3.4 × 9 =
4. 4.30 × 98 =
5. 5.26 × 99 =
6. 6.8 × 29 =
7. 7.12 × 29 =
8. 8.15 × 19 =
9. 9.6 × 49 =
10. 10.29 × 98 =
11. 11.8 × 98 =
12. 12.6 × 99 =
13. 13.9 × 99 =
14. 14.12 × 98 =
15. 15.13 × 49 =
16. 16.15 × 29 =
17. 17.4 × 19 =
18. 18.5 × 29 =
19. 19.12 × 19 =
20. 20.3 × 98 =
21. 21.17 × 99 =
22. 22.26 × 99 =
23. 23.9 × 99 =
24. 24.5 × 29 =
25. 25.9 × 29 =
26. 26.7 × 99 =
27. 27.31 × 98 =
28. 28.38 × 99 =
29. 29.36 × 98 =
30. 30.3 × 9 =
31. 31.11 × 19 =
32. 32.15 × 9 =
33. 33.12 × 9 =
34. 34.13 × 19 =
35. 35.35 × 98 =
36. 36.6 × 49 =
37. 37.6 × 9 =
38. 38.5 × 19 =
39. 39.15 × 9 =
40. 40.6 × 19 =

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