Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 307 · 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. 1.5 × 98 =
2. 2.8 × 29 =
3. 3.11 × 9 =
4. 4.9 × 29 =
5. 5.14 × 9 =
6. 6.35 × 98 =
7. 7.15 × 99 =
8. 8.30 × 99 =
9. 9.24 × 99 =
10. 10.13 × 98 =
11. 11.15 × 29 =
12. 12.3 × 49 =
13. 13.4 × 98 =
14. 14.40 × 99 =
15. 15.16 × 98 =
16. 16.3 × 19 =
17. 17.6 × 98 =
18. 18.4 × 29 =
19. 19.11 × 29 =
20. 20.13 × 19 =
21. 21.5 × 49 =
22. 22.11 × 19 =
23. 23.24 × 98 =
24. 24.17 × 98 =
25. 25.15 × 29 =
26. 26.11 × 19 =
27. 27.5 × 19 =
28. 28.7 × 19 =
29. 29.15 × 49 =
30. 30.9 × 9 =
31. 31.9 × 9 =
32. 32.7 × 49 =
33. 33.9 × 9 =
34. 34.3 × 29 =
35. 35.7 × 29 =
36. 36.5 × 19 =
37. 37.10 × 49 =
38. 38.8 × 49 =
39. 39.36 × 98 =
40. 40.14 × 19 =

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