Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 906 · 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. 1.10 × 49 =
2. 2.5 × 29 =
3. 3.33 × 99 =
4. 4.3 × 49 =
5. 5.12 × 9 =
6. 6.29 × 99 =
7. 7.12 × 19 =
8. 8.13 × 19 =
9. 9.8 × 98 =
10. 10.28 × 99 =
11. 11.6 × 29 =
12. 12.30 × 99 =
13. 13.3 × 29 =
14. 14.12 × 9 =
15. 15.11 × 9 =
16. 16.7 × 49 =
17. 17.15 × 19 =
18. 18.32 × 98 =
19. 19.4 × 19 =
20. 20.3 × 49 =
21. 21.10 × 19 =
22. 22.12 × 9 =
23. 23.6 × 99 =
24. 24.18 × 99 =
25. 25.4 × 19 =
26. 26.8 × 29 =
27. 27.34 × 99 =
28. 28.26 × 98 =
29. 29.24 × 98 =
30. 30.37 × 99 =
31. 31.14 × 99 =
32. 32.14 × 29 =
33. 33.33 × 98 =
34. 34.11 × 29 =
35. 35.15 × 29 =
36. 36.7 × 9 =
37. 37.8 × 19 =
38. 38.15 × 49 =
39. 39.6 × 29 =
40. 40.5 × 9 =

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