Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 981 · 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. 1.6 × 9 =
2. 2.12 × 29 =
3. 3.8 × 29 =
4. 4.13 × 99 =
5. 5.25 × 98 =
6. 6.12 × 19 =
7. 7.3 × 29 =
8. 8.4 × 29 =
9. 9.29 × 99 =
10. 10.10 × 19 =
11. 11.8 × 49 =
12. 12.26 × 99 =
13. 13.8 × 19 =
14. 14.7 × 29 =
15. 15.10 × 19 =
16. 16.10 × 19 =
17. 17.24 × 99 =
18. 18.15 × 49 =
19. 19.10 × 19 =
20. 20.15 × 19 =
21. 21.14 × 19 =
22. 22.9 × 9 =
23. 23.4 × 19 =
24. 24.14 × 9 =
25. 25.12 × 9 =
26. 26.8 × 99 =
27. 27.32 × 98 =
28. 28.11 × 98 =
29. 29.10 × 99 =
30. 30.31 × 98 =
31. 31.36 × 99 =
32. 32.10 × 19 =
33. 33.22 × 98 =
34. 34.4 × 49 =
35. 35.8 × 19 =
36. 36.11 × 49 =
37. 37.3 × 9 =
38. 38.8 × 29 =
39. 39.18 × 99 =
40. 40.33 × 99 =

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