Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 437 · 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 × 29 =
2. 2.11 × 29 =
3. 3.9 × 49 =
4. 4.9 × 99 =
5. 5.13 × 9 =
6. 6.25 × 98 =
7. 7.11 × 19 =
8. 8.7 × 49 =
9. 9.12 × 49 =
10. 10.9 × 19 =
11. 11.30 × 99 =
12. 12.4 × 9 =
13. 13.11 × 49 =
14. 14.19 × 98 =
15. 15.4 × 9 =
16. 16.11 × 49 =
17. 17.12 × 98 =
18. 18.35 × 98 =
19. 19.13 × 9 =
20. 20.14 × 29 =
21. 21.13 × 98 =
22. 22.15 × 29 =
23. 23.4 × 99 =
24. 24.29 × 99 =
25. 25.5 × 49 =
26. 26.12 × 49 =
27. 27.8 × 99 =
28. 28.34 × 99 =
29. 29.5 × 29 =
30. 30.15 × 98 =
31. 31.10 × 19 =
32. 32.11 × 19 =
33. 33.9 × 19 =
34. 34.4 × 98 =
35. 35.14 × 29 =
36. 36.10 × 29 =
37. 37.4 × 19 =
38. 38.11 × 29 =
39. 39.13 × 49 =
40. 40.4 × 9 =

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