Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 297 · 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. 1.4 × 98 =
2. 2.4 × 9 =
3. 3.13 × 19 =
4. 4.19 × 99 =
5. 5.10 × 19 =
6. 6.6 × 19 =
7. 7.31 × 99 =
8. 8.9 × 29 =
9. 9.32 × 99 =
10. 10.32 × 98 =
11. 11.12 × 29 =
12. 12.8 × 49 =
13. 13.31 × 98 =
14. 14.22 × 98 =
15. 15.7 × 49 =
16. 16.9 × 9 =
17. 17.14 × 49 =
18. 18.21 × 99 =
19. 19.13 × 29 =
20. 20.28 × 99 =
21. 21.4 × 19 =
22. 22.25 × 99 =
23. 23.3 × 9 =
24. 24.5 × 19 =
25. 25.7 × 29 =
26. 26.9 × 29 =
27. 27.12 × 19 =
28. 28.27 × 99 =
29. 29.36 × 98 =
30. 30.7 × 9 =
31. 31.15 × 19 =
32. 32.39 × 99 =
33. 33.6 × 49 =
34. 34.12 × 29 =
35. 35.5 × 9 =
36. 36.14 × 29 =
37. 37.11 × 29 =
38. 38.22 × 98 =
39. 39.6 × 19 =
40. 40.9 × 19 =

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