Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 26 · 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. 2.15 × 29 =
3. 3.3 × 49 =
4. 4.13 × 99 =
5. 5.3 × 29 =
6. 6.23 × 98 =
7. 7.15 × 29 =
8. 8.15 × 29 =
9. 9.5 × 29 =
10. 10.7 × 98 =
11. 11.3 × 29 =
12. 12.13 × 19 =
13. 13.4 × 9 =
14. 14.4 × 29 =
15. 15.3 × 49 =
16. 16.9 × 99 =
17. 17.5 × 49 =
18. 18.15 × 29 =
19. 19.15 × 49 =
20. 20.10 × 49 =
21. 21.6 × 49 =
22. 22.13 × 49 =
23. 23.9 × 99 =
24. 24.30 × 99 =
25. 25.6 × 9 =
26. 26.14 × 49 =
27. 27.6 × 9 =
28. 28.7 × 29 =
29. 29.12 × 9 =
30. 30.13 × 19 =
31. 31.21 × 99 =
32. 32.9 × 29 =
33. 33.33 × 98 =
34. 34.33 × 99 =
35. 35.15 × 9 =
36. 36.9 × 49 =
37. 37.9 × 19 =
38. 38.9 × 49 =
39. 39.13 × 49 =
40. 40.14 × 49 =

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