Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 544 · 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. 1.11 × 49 =
2. 2.12 × 98 =
3. 3.3 × 99 =
4. 4.32 × 99 =
5. 5.10 × 99 =
6. 6.11 × 9 =
7. 7.8 × 29 =
8. 8.11 × 49 =
9. 9.9 × 49 =
10. 10.15 × 98 =
11. 11.4 × 29 =
12. 12.3 × 29 =
13. 13.7 × 29 =
14. 14.9 × 29 =
15. 15.20 × 99 =
16. 16.35 × 98 =
17. 17.21 × 99 =
18. 18.20 × 99 =
19. 19.26 × 98 =
20. 20.38 × 98 =
21. 21.11 × 49 =
22. 22.14 × 19 =
23. 23.7 × 29 =
24. 24.6 × 19 =
25. 25.7 × 19 =
26. 26.7 × 99 =
27. 27.9 × 19 =
28. 28.9 × 29 =
29. 29.8 × 9 =
30. 30.10 × 9 =
31. 31.7 × 9 =
32. 32.33 × 99 =
33. 33.21 × 98 =
34. 34.3 × 99 =
35. 35.14 × 49 =
36. 36.36 × 99 =
37. 37.15 × 29 =
38. 38.14 × 49 =
39. 39.14 × 49 =
40. 40.10 × 19 =

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