Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 788 · 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 × 98 =
2. 2.11 × 49 =
3. 3.27 × 99 =
4. 4.6 × 9 =
5. 5.18 × 98 =
6. 6.3 × 19 =
7. 7.4 × 19 =
8. 8.14 × 9 =
9. 9.6 × 9 =
10. 10.9 × 49 =
11. 11.30 × 99 =
12. 12.13 × 49 =
13. 13.6 × 9 =
14. 14.40 × 98 =
15. 15.10 × 49 =
16. 16.10 × 99 =
17. 17.10 × 9 =
18. 18.20 × 99 =
19. 19.15 × 49 =
20. 20.23 × 98 =
21. 21.6 × 49 =
22. 22.4 × 9 =
23. 23.6 × 49 =
24. 24.8 × 19 =
25. 25.10 × 19 =
26. 26.11 × 49 =
27. 27.7 × 29 =
28. 28.21 × 99 =
29. 29.6 × 19 =
30. 30.15 × 19 =
31. 31.7 × 9 =
32. 32.5 × 19 =
33. 33.15 × 19 =
34. 34.37 × 98 =
35. 35.9 × 29 =
36. 36.16 × 99 =
37. 37.8 × 19 =
38. 38.10 × 29 =
39. 39.7 × 9 =
40. 40.8 × 29 =

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