Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 57 · 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. 1.15 × 19 =
2. 2.30 × 99 =
3. 3.11 × 49 =
4. 4.12 × 98 =
5. 5.15 × 49 =
6. 6.8 × 98 =
7. 7.11 × 99 =
8. 8.12 × 9 =
9. 9.8 × 9 =
10. 10.20 × 98 =
11. 11.4 × 49 =
12. 12.4 × 29 =
13. 13.14 × 9 =
14. 14.14 × 9 =
15. 15.5 × 49 =
16. 16.12 × 9 =
17. 17.6 × 99 =
18. 18.6 × 49 =
19. 19.8 × 29 =
20. 20.9 × 98 =
21. 21.11 × 9 =
22. 22.14 × 29 =
23. 23.34 × 99 =
24. 24.3 × 98 =
25. 25.7 × 49 =
26. 26.39 × 98 =
27. 27.13 × 99 =
28. 28.14 × 19 =
29. 29.6 × 49 =
30. 30.5 × 19 =
31. 31.22 × 99 =
32. 32.3 × 29 =
33. 33.11 × 29 =
34. 34.5 × 99 =
35. 35.3 × 9 =
36. 36.13 × 9 =
37. 37.9 × 29 =
38. 38.10 × 19 =
39. 39.9 × 9 =
40. 40.9 × 9 =

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