Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 182 · 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. 1.34 × 99 =
2. 2.22 × 98 =
3. 3.11 × 49 =
4. 4.10 × 19 =
5. 5.12 × 98 =
6. 6.11 × 9 =
7. 7.14 × 29 =
8. 8.6 × 98 =
9. 9.17 × 99 =
10. 10.6 × 9 =
11. 11.5 × 29 =
12. 12.7 × 19 =
13. 13.14 × 19 =
14. 14.29 × 99 =
15. 15.14 × 99 =
16. 16.7 × 49 =
17. 17.3 × 98 =
18. 18.14 × 19 =
19. 19.9 × 49 =
20. 20.13 × 9 =
21. 21.36 × 99 =
22. 22.6 × 19 =
23. 23.5 × 19 =
24. 24.6 × 98 =
25. 25.13 × 49 =
26. 26.8 × 98 =
27. 27.8 × 49 =
28. 28.14 × 19 =
29. 29.14 × 29 =
30. 30.13 × 29 =
31. 31.38 × 98 =
32. 32.8 × 19 =
33. 33.15 × 49 =
34. 34.4 × 99 =
35. 35.3 × 29 =
36. 36.37 × 98 =
37. 37.11 × 99 =
38. 38.40 × 99 =
39. 39.8 × 98 =
40. 40.22 × 99 =

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