Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 406 · 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. 2.20 × 98 =
3. 3.19 × 98 =
4. 4.25 × 98 =
5. 5.27 × 98 =
6. 6.11 × 49 =
7. 7.5 × 19 =
8. 8.30 × 98 =
9. 9.3 × 19 =
10. 10.7 × 9 =
11. 11.9 × 9 =
12. 12.6 × 98 =
13. 13.7 × 49 =
14. 14.30 × 98 =
15. 15.15 × 19 =
16. 16.6 × 9 =
17. 17.8 × 29 =
18. 18.15 × 49 =
19. 19.9 × 9 =
20. 20.3 × 99 =
21. 21.11 × 98 =
22. 22.11 × 19 =
23. 23.11 × 9 =
24. 24.9 × 29 =
25. 25.13 × 49 =
26. 26.12 × 99 =
27. 27.13 × 98 =
28. 28.32 × 98 =
29. 29.22 × 98 =
30. 30.7 × 29 =
31. 31.11 × 9 =
32. 32.34 × 98 =
33. 33.27 × 98 =
34. 34.13 × 99 =
35. 35.15 × 49 =
36. 36.9 × 9 =
37. 37.3 × 9 =
38. 38.15 × 98 =
39. 39.7 × 9 =
40. 40.13 × 98 =

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