Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 323 · 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. 2.4 × 98 =
3. 3.10 × 49 =
4. 4.36 × 98 =
5. 5.4 × 29 =
6. 6.3 × 49 =
7. 7.3 × 29 =
8. 8.12 × 9 =
9. 9.31 × 98 =
10. 10.8 × 9 =
11. 11.37 × 99 =
12. 12.14 × 9 =
13. 13.19 × 99 =
14. 14.3 × 19 =
15. 15.28 × 98 =
16. 16.23 × 99 =
17. 17.4 × 49 =
18. 18.9 × 9 =
19. 19.9 × 9 =
20. 20.4 × 9 =
21. 21.11 × 9 =
22. 22.39 × 99 =
23. 23.7 × 9 =
24. 24.9 × 99 =
25. 25.11 × 49 =
26. 26.3 × 9 =
27. 27.38 × 98 =
28. 28.6 × 29 =
29. 29.29 × 98 =
30. 30.6 × 29 =
31. 31.11 × 19 =
32. 32.38 × 99 =
33. 33.11 × 9 =
34. 34.7 × 29 =
35. 35.14 × 49 =
36. 36.15 × 9 =
37. 37.5 × 29 =
38. 38.5 × 9 =
39. 39.13 × 49 =
40. 40.28 × 99 =

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