Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 881 · 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. 1.14 × 49 =
2. 2.4 × 9 =
3. 3.3 × 9 =
4. 4.15 × 98 =
5. 5.12 × 19 =
6. 6.16 × 99 =
7. 7.15 × 99 =
8. 8.5 × 29 =
9. 9.6 × 29 =
10. 10.14 × 29 =
11. 11.6 × 98 =
12. 12.10 × 19 =
13. 13.11 × 19 =
14. 14.12 × 19 =
15. 15.29 × 98 =
16. 16.39 × 99 =
17. 17.34 × 99 =
18. 18.13 × 19 =
19. 19.6 × 99 =
20. 20.30 × 99 =
21. 21.3 × 49 =
22. 22.11 × 9 =
23. 23.4 × 98 =
24. 24.11 × 19 =
25. 25.12 × 29 =
26. 26.29 × 99 =
27. 27.27 × 98 =
28. 28.7 × 99 =
29. 29.17 × 98 =
30. 30.4 × 9 =
31. 31.5 × 49 =
32. 32.9 × 19 =
33. 33.15 × 9 =
34. 34.9 × 19 =
35. 35.11 × 9 =
36. 36.32 × 99 =
37. 37.22 × 99 =
38. 38.3 × 19 =
39. 39.3 × 19 =
40. 40.8 × 9 =

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