Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 595 · 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. 1.6 × 49 =
2. 2.27 × 98 =
3. 3.15 × 9 =
4. 4.13 × 19 =
5. 5.8 × 99 =
6. 6.12 × 9 =
7. 7.13 × 9 =
8. 8.7 × 29 =
9. 9.11 × 49 =
10. 10.14 × 19 =
11. 11.10 × 9 =
12. 12.38 × 99 =
13. 13.5 × 98 =
14. 14.17 × 98 =
15. 15.5 × 19 =
16. 16.23 × 98 =
17. 17.12 × 29 =
18. 18.12 × 29 =
19. 19.31 × 99 =
20. 20.7 × 49 =
21. 21.7 × 29 =
22. 22.11 × 98 =
23. 23.9 × 98 =
24. 24.25 × 99 =
25. 25.14 × 19 =
26. 26.13 × 29 =
27. 27.6 × 98 =
28. 28.5 × 29 =
29. 29.15 × 19 =
30. 30.8 × 29 =
31. 31.33 × 98 =
32. 32.5 × 29 =
33. 33.14 × 98 =
34. 34.8 × 19 =
35. 35.14 × 19 =
36. 36.8 × 9 =
37. 37.11 × 19 =
38. 38.9 × 19 =
39. 39.10 × 99 =
40. 40.7 × 29 =

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