Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 816 · 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. 2.32 × 98 =
3. 3.40 × 98 =
4. 4.14 × 29 =
5. 5.6 × 49 =
6. 6.11 × 9 =
7. 7.38 × 98 =
8. 8.8 × 19 =
9. 9.8 × 9 =
10. 10.4 × 49 =
11. 11.12 × 19 =
12. 12.12 × 9 =
13. 13.38 × 99 =
14. 14.15 × 98 =
15. 15.15 × 99 =
16. 16.15 × 99 =
17. 17.4 × 19 =
18. 18.11 × 98 =
19. 19.9 × 49 =
20. 20.39 × 99 =
21. 21.6 × 29 =
22. 22.15 × 49 =
23. 23.8 × 49 =
24. 24.35 × 98 =
25. 25.40 × 99 =
26. 26.10 × 99 =
27. 27.4 × 49 =
28. 28.20 × 99 =
29. 29.18 × 98 =
30. 30.13 × 49 =
31. 31.12 × 29 =
32. 32.14 × 19 =
33. 33.12 × 9 =
34. 34.33 × 98 =
35. 35.7 × 99 =
36. 36.11 × 9 =
37. 37.9 × 19 =
38. 38.7 × 9 =
39. 39.7 × 29 =
40. 40.18 × 98 =

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