Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 533 · 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. 1.27 × 99 =
2. 2.11 × 9 =
3. 3.33 × 99 =
4. 4.11 × 49 =
5. 5.33 × 98 =
6. 6.33 × 98 =
7. 7.28 × 98 =
8. 8.33 × 99 =
9. 9.3 × 9 =
10. 10.10 × 49 =
11. 11.33 × 98 =
12. 12.6 × 9 =
13. 13.5 × 9 =
14. 14.8 × 9 =
15. 15.10 × 99 =
16. 16.9 × 99 =
17. 17.13 × 29 =
18. 18.11 × 49 =
19. 19.5 × 19 =
20. 20.21 × 98 =
21. 21.10 × 19 =
22. 22.12 × 19 =
23. 23.4 × 29 =
24. 24.35 × 98 =
25. 25.11 × 9 =
26. 26.6 × 49 =
27. 27.15 × 19 =
28. 28.5 × 9 =
29. 29.15 × 29 =
30. 30.13 × 9 =
31. 31.30 × 99 =
32. 32.3 × 9 =
33. 33.8 × 29 =
34. 34.16 × 98 =
35. 35.6 × 49 =
36. 36.12 × 19 =
37. 37.38 × 98 =
38. 38.27 × 98 =
39. 39.6 × 99 =
40. 40.15 × 49 =

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