Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 868 · 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. 1.10 × 19 =
2. 2.9 × 49 =
3. 3.13 × 19 =
4. 4.18 × 98 =
5. 5.5 × 29 =
6. 6.11 × 49 =
7. 7.9 × 9 =
8. 8.27 × 98 =
9. 9.19 × 98 =
10. 10.39 × 99 =
11. 11.4 × 99 =
12. 12.15 × 19 =
13. 13.39 × 99 =
14. 14.3 × 98 =
15. 15.12 × 29 =
16. 16.4 × 49 =
17. 17.9 × 29 =
18. 18.9 × 49 =
19. 19.15 × 19 =
20. 20.11 × 99 =
21. 21.5 × 9 =
22. 22.7 × 19 =
23. 23.9 × 49 =
24. 24.7 × 29 =
25. 25.38 × 99 =
26. 26.38 × 99 =
27. 27.36 × 98 =
28. 28.4 × 19 =
29. 29.10 × 49 =
30. 30.9 × 99 =
31. 31.8 × 29 =
32. 32.11 × 19 =
33. 33.5 × 19 =
34. 34.5 × 29 =
35. 35.13 × 49 =
36. 36.11 × 29 =
37. 37.7 × 19 =
38. 38.13 × 49 =
39. 39.8 × 19 =
40. 40.13 × 98 =

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