Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 573 · 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 × 29 =
2. 2.30 × 99 =
3. 3.13 × 29 =
4. 4.14 × 99 =
5. 5.15 × 49 =
6. 6.6 × 19 =
7. 7.20 × 99 =
8. 8.4 × 99 =
9. 9.9 × 29 =
10. 10.19 × 99 =
11. 11.12 × 9 =
12. 12.19 × 99 =
13. 13.11 × 98 =
14. 14.15 × 49 =
15. 15.7 × 29 =
16. 16.12 × 29 =
17. 17.22 × 98 =
18. 18.7 × 98 =
19. 19.12 × 19 =
20. 20.17 × 98 =
21. 21.8 × 49 =
22. 22.8 × 9 =
23. 23.8 × 29 =
24. 24.15 × 49 =
25. 25.13 × 29 =
26. 26.8 × 49 =
27. 27.28 × 98 =
28. 28.11 × 9 =
29. 29.23 × 98 =
30. 30.38 × 99 =
31. 31.5 × 9 =
32. 32.5 × 9 =
33. 33.14 × 49 =
34. 34.14 × 9 =
35. 35.36 × 98 =
36. 36.9 × 99 =
37. 37.10 × 19 =
38. 38.6 × 19 =
39. 39.12 × 99 =
40. 40.4 × 49 =

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