Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 62 · 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 × 19 =
3. 3.40 × 99 =
4. 4.22 × 98 =
5. 5.11 × 9 =
6. 6.5 × 29 =
7. 7.6 × 49 =
8. 8.21 × 98 =
9. 9.4 × 98 =
10. 10.15 × 9 =
11. 11.13 × 9 =
12. 12.7 × 9 =
13. 13.15 × 49 =
14. 14.4 × 49 =
15. 15.10 × 19 =
16. 16.9 × 9 =
17. 17.30 × 99 =
18. 18.30 × 99 =
19. 19.4 × 49 =
20. 20.12 × 19 =
21. 21.9 × 29 =
22. 22.5 × 19 =
23. 23.37 × 98 =
24. 24.8 × 29 =
25. 25.13 × 19 =
26. 26.11 × 9 =
27. 27.7 × 49 =
28. 28.8 × 19 =
29. 29.22 × 98 =
30. 30.34 × 98 =
31. 31.3 × 29 =
32. 32.9 × 29 =
33. 33.11 × 98 =
34. 34.7 × 99 =
35. 35.10 × 49 =
36. 36.30 × 98 =
37. 37.7 × 49 =
38. 38.13 × 9 =
39. 39.37 × 99 =
40. 40.38 × 98 =

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