Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 264 · 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. 2.9 × 9 =
3. 3.40 × 99 =
4. 4.34 × 98 =
5. 5.28 × 98 =
6. 6.14 × 99 =
7. 7.4 × 19 =
8. 8.5 × 9 =
9. 9.6 × 19 =
10. 10.9 × 9 =
11. 11.15 × 29 =
12. 12.7 × 49 =
13. 13.11 × 19 =
14. 14.6 × 9 =
15. 15.14 × 9 =
16. 16.10 × 98 =
17. 17.3 × 49 =
18. 18.8 × 29 =
19. 19.4 × 98 =
20. 20.12 × 98 =
21. 21.4 × 49 =
22. 22.8 × 9 =
23. 23.6 × 49 =
24. 24.37 × 99 =
25. 25.12 × 49 =
26. 26.28 × 99 =
27. 27.4 × 9 =
28. 28.7 × 9 =
29. 29.10 × 19 =
30. 30.39 × 99 =
31. 31.14 × 99 =
32. 32.34 × 98 =
33. 33.40 × 98 =
34. 34.6 × 19 =
35. 35.10 × 9 =
36. 36.11 × 19 =
37. 37.12 × 9 =
38. 38.14 × 9 =
39. 39.8 × 29 =
40. 40.11 × 9 =

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