Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 217 · 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. 1.9 × 29 =
2. 2.14 × 19 =
3. 3.6 × 19 =
4. 4.14 × 9 =
5. 5.5 × 19 =
6. 6.11 × 98 =
7. 7.12 × 19 =
8. 8.26 × 98 =
9. 9.3 × 98 =
10. 10.6 × 19 =
11. 11.7 × 9 =
12. 12.3 × 9 =
13. 13.12 × 29 =
14. 14.10 × 9 =
15. 15.8 × 29 =
16. 16.15 × 49 =
17. 17.12 × 19 =
18. 18.23 × 98 =
19. 19.3 × 29 =
20. 20.6 × 98 =
21. 21.12 × 19 =
22. 22.11 × 9 =
23. 23.12 × 19 =
24. 24.9 × 29 =
25. 25.32 × 98 =
26. 26.15 × 49 =
27. 27.6 × 19 =
28. 28.31 × 99 =
29. 29.30 × 99 =
30. 30.9 × 19 =
31. 31.10 × 49 =
32. 32.18 × 99 =
33. 33.4 × 29 =
34. 34.8 × 29 =
35. 35.4 × 9 =
36. 36.10 × 29 =
37. 37.14 × 49 =
38. 38.8 × 29 =
39. 39.25 × 99 =
40. 40.4 × 19 =

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