Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 772 · 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. 1.3 × 99 =
2. 2.11 × 19 =
3. 3.7 × 98 =
4. 4.7 × 9 =
5. 5.10 × 9 =
6. 6.5 × 9 =
7. 7.12 × 98 =
8. 8.9 × 49 =
9. 9.28 × 99 =
10. 10.3 × 99 =
11. 11.10 × 99 =
12. 12.20 × 99 =
13. 13.15 × 98 =
14. 14.9 × 98 =
15. 15.4 × 29 =
16. 16.32 × 99 =
17. 17.35 × 99 =
18. 18.12 × 9 =
19. 19.4 × 99 =
20. 20.8 × 9 =
21. 21.11 × 19 =
22. 22.15 × 98 =
23. 23.10 × 49 =
24. 24.6 × 9 =
25. 25.8 × 99 =
26. 26.12 × 9 =
27. 27.9 × 99 =
28. 28.3 × 9 =
29. 29.23 × 99 =
30. 30.13 × 9 =
31. 31.11 × 19 =
32. 32.8 × 49 =
33. 33.14 × 19 =
34. 34.11 × 49 =
35. 35.4 × 19 =
36. 36.19 × 99 =
37. 37.6 × 9 =
38. 38.7 × 19 =
39. 39.27 × 99 =
40. 40.11 × 19 =

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