Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 983 · 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 × 9 =
2. 2.4 × 19 =
3. 3.5 × 49 =
4. 4.6 × 9 =
5. 5.6 × 99 =
6. 6.26 × 99 =
7. 7.9 × 9 =
8. 8.14 × 19 =
9. 9.9 × 9 =
10. 10.10 × 9 =
11. 11.8 × 49 =
12. 12.8 × 29 =
13. 13.13 × 19 =
14. 14.13 × 19 =
15. 15.20 × 98 =
16. 16.9 × 19 =
17. 17.5 × 19 =
18. 18.19 × 98 =
19. 19.15 × 49 =
20. 20.7 × 9 =
21. 21.22 × 99 =
22. 22.14 × 29 =
23. 23.13 × 9 =
24. 24.12 × 29 =
25. 25.11 × 9 =
26. 26.7 × 49 =
27. 27.8 × 98 =
28. 28.15 × 9 =
29. 29.11 × 99 =
30. 30.5 × 19 =
31. 31.6 × 29 =
32. 32.15 × 98 =
33. 33.3 × 19 =
34. 34.15 × 29 =
35. 35.15 × 29 =
36. 36.13 × 98 =
37. 37.10 × 49 =
38. 38.5 × 99 =
39. 39.14 × 29 =
40. 40.8 × 49 =

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