Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 858 · 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. 1.36 × 99 =
2. 2.4 × 99 =
3. 3.26 × 98 =
4. 4.9 × 29 =
5. 5.28 × 98 =
6. 6.7 × 9 =
7. 7.33 × 99 =
8. 8.12 × 49 =
9. 9.4 × 29 =
10. 10.20 × 99 =
11. 11.12 × 29 =
12. 12.11 × 99 =
13. 13.32 × 98 =
14. 14.37 × 99 =
15. 15.5 × 29 =
16. 16.5 × 9 =
17. 17.38 × 98 =
18. 18.9 × 29 =
19. 19.14 × 9 =
20. 20.15 × 29 =
21. 21.10 × 9 =
22. 22.10 × 19 =
23. 23.10 × 98 =
24. 24.39 × 99 =
25. 25.12 × 29 =
26. 26.3 × 99 =
27. 27.5 × 49 =
28. 28.10 × 98 =
29. 29.6 × 19 =
30. 30.9 × 99 =
31. 31.4 × 29 =
32. 32.3 × 99 =
33. 33.4 × 98 =
34. 34.25 × 99 =
35. 35.13 × 98 =
36. 36.38 × 99 =
37. 37.9 × 49 =
38. 38.6 × 9 =
39. 39.17 × 99 =
40. 40.6 × 29 =

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