Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 590 · 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. 1.5 × 19 =
2. 2.4 × 99 =
3. 3.15 × 49 =
4. 4.12 × 49 =
5. 5.10 × 29 =
6. 6.8 × 29 =
7. 7.8 × 29 =
8. 8.31 × 98 =
9. 9.11 × 19 =
10. 10.5 × 29 =
11. 11.13 × 49 =
12. 12.8 × 29 =
13. 13.12 × 19 =
14. 14.14 × 49 =
15. 15.8 × 98 =
16. 16.5 × 98 =
17. 17.7 × 19 =
18. 18.12 × 98 =
19. 19.10 × 99 =
20. 20.8 × 99 =
21. 21.39 × 98 =
22. 22.7 × 98 =
23. 23.10 × 99 =
24. 24.25 × 99 =
25. 25.13 × 9 =
26. 26.3 × 9 =
27. 27.4 × 9 =
28. 28.9 × 49 =
29. 29.12 × 9 =
30. 30.11 × 9 =
31. 31.13 × 49 =
32. 32.6 × 49 =
33. 33.5 × 49 =
34. 34.14 × 9 =
35. 35.8 × 9 =
36. 36.16 × 99 =
37. 37.4 × 29 =
38. 38.3 × 9 =
39. 39.4 × 9 =
40. 40.11 × 9 =

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