Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 395 · 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. 1.13 × 49 =
2. 2.4 × 19 =
3. 3.29 × 98 =
4. 4.10 × 99 =
5. 5.9 × 9 =
6. 6.18 × 98 =
7. 7.8 × 29 =
8. 8.5 × 19 =
9. 9.23 × 99 =
10. 10.10 × 49 =
11. 11.13 × 98 =
12. 12.15 × 49 =
13. 13.3 × 29 =
14. 14.11 × 29 =
15. 15.6 × 19 =
16. 16.15 × 49 =
17. 17.10 × 9 =
18. 18.8 × 49 =
19. 19.12 × 49 =
20. 20.4 × 49 =
21. 21.25 × 99 =
22. 22.15 × 19 =
23. 23.23 × 99 =
24. 24.12 × 98 =
25. 25.11 × 49 =
26. 26.29 × 98 =
27. 27.10 × 19 =
28. 28.11 × 29 =
29. 29.27 × 99 =
30. 30.8 × 29 =
31. 31.9 × 49 =
32. 32.10 × 29 =
33. 33.7 × 98 =
34. 34.11 × 49 =
35. 35.6 × 99 =
36. 36.4 × 9 =
37. 37.3 × 9 =
38. 38.6 × 49 =
39. 39.37 × 98 =
40. 40.11 × 99 =

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