Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 98 · 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. 1.8 × 49 =
2. 2.10 × 29 =
3. 3.4 × 49 =
4. 4.27 × 99 =
5. 5.10 × 29 =
6. 6.12 × 19 =
7. 7.12 × 29 =
8. 8.7 × 19 =
9. 9.8 × 29 =
10. 10.15 × 29 =
11. 11.13 × 9 =
12. 12.13 × 98 =
13. 13.9 × 29 =
14. 14.7 × 29 =
15. 15.15 × 98 =
16. 16.32 × 99 =
17. 17.5 × 49 =
18. 18.12 × 29 =
19. 19.15 × 49 =
20. 20.6 × 9 =
21. 21.11 × 19 =
22. 22.10 × 29 =
23. 23.11 × 9 =
24. 24.5 × 19 =
25. 25.12 × 9 =
26. 26.10 × 29 =
27. 27.15 × 29 =
28. 28.10 × 99 =
29. 29.14 × 99 =
30. 30.6 × 29 =
31. 31.21 × 99 =
32. 32.23 × 98 =
33. 33.4 × 29 =
34. 34.3 × 9 =
35. 35.3 × 19 =
36. 36.10 × 49 =
37. 37.8 × 29 =
38. 38.14 × 29 =
39. 39.12 × 49 =
40. 40.7 × 99 =

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