Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 985 · 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. 1.10 × 9 =
2. 2.6 × 29 =
3. 3.3 × 29 =
4. 4.7 × 99 =
5. 5.14 × 29 =
6. 6.7 × 29 =
7. 7.6 × 49 =
8. 8.18 × 98 =
9. 9.12 × 98 =
10. 10.7 × 29 =
11. 11.4 × 19 =
12. 12.13 × 29 =
13. 13.8 × 29 =
14. 14.6 × 19 =
15. 15.15 × 19 =
16. 16.15 × 99 =
17. 17.12 × 19 =
18. 18.5 × 19 =
19. 19.25 × 99 =
20. 20.3 × 19 =
21. 21.5 × 99 =
22. 22.33 × 99 =
23. 23.26 × 99 =
24. 24.13 × 19 =
25. 25.5 × 98 =
26. 26.5 × 29 =
27. 27.35 × 99 =
28. 28.15 × 49 =
29. 29.15 × 29 =
30. 30.14 × 19 =
31. 31.11 × 9 =
32. 32.11 × 9 =
33. 33.3 × 9 =
34. 34.9 × 29 =
35. 35.14 × 19 =
36. 36.7 × 19 =
37. 37.11 × 99 =
38. 38.4 × 19 =
39. 39.10 × 19 =
40. 40.8 × 98 =

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