Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 71 · 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. 1.4 × 29 =
2. 2.10 × 9 =
3. 3.12 × 98 =
4. 4.9 × 29 =
5. 5.29 × 99 =
6. 6.22 × 98 =
7. 7.14 × 19 =
8. 8.7 × 29 =
9. 9.34 × 98 =
10. 10.11 × 19 =
11. 11.6 × 49 =
12. 12.3 × 29 =
13. 13.3 × 9 =
14. 14.3 × 98 =
15. 15.14 × 19 =
16. 16.8 × 29 =
17. 17.25 × 98 =
18. 18.27 × 99 =
19. 19.6 × 29 =
20. 20.8 × 29 =
21. 21.16 × 99 =
22. 22.8 × 9 =
23. 23.11 × 29 =
24. 24.14 × 49 =
25. 25.37 × 98 =
26. 26.12 × 29 =
27. 27.15 × 19 =
28. 28.38 × 98 =
29. 29.14 × 49 =
30. 30.34 × 98 =
31. 31.15 × 9 =
32. 32.3 × 29 =
33. 33.9 × 29 =
34. 34.4 × 49 =
35. 35.29 × 98 =
36. 36.11 × 49 =
37. 37.39 × 99 =
38. 38.10 × 99 =
39. 39.4 × 9 =
40. 40.12 × 19 =

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