Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 283 · 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. 1.3 × 9 =
2. 2.6 × 49 =
3. 3.13 × 29 =
4. 4.18 × 99 =
5. 5.7 × 19 =
6. 6.31 × 99 =
7. 7.10 × 19 =
8. 8.3 × 99 =
9. 9.19 × 98 =
10. 10.4 × 49 =
11. 11.10 × 9 =
12. 12.4 × 29 =
13. 13.10 × 99 =
14. 14.4 × 9 =
15. 15.7 × 19 =
16. 16.20 × 99 =
17. 17.36 × 98 =
18. 18.4 × 49 =
19. 19.3 × 29 =
20. 20.4 × 29 =
21. 21.11 × 9 =
22. 22.10 × 29 =
23. 23.31 × 99 =
24. 24.3 × 9 =
25. 25.24 × 99 =
26. 26.15 × 98 =
27. 27.7 × 98 =
28. 28.5 × 19 =
29. 29.16 × 98 =
30. 30.15 × 9 =
31. 31.8 × 98 =
32. 32.34 × 99 =
33. 33.14 × 49 =
34. 34.4 × 29 =
35. 35.25 × 99 =
36. 36.11 × 98 =
37. 37.4 × 29 =
38. 38.13 × 9 =
39. 39.11 × 99 =
40. 40.10 × 19 =

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