Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 111 · 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. 1.10 × 29 =
2. 2.9 × 49 =
3. 3.8 × 98 =
4. 4.8 × 29 =
5. 5.39 × 98 =
6. 6.9 × 19 =
7. 7.14 × 9 =
8. 8.4 × 49 =
9. 9.3 × 49 =
10. 10.36 × 98 =
11. 11.14 × 9 =
12. 12.10 × 29 =
13. 13.17 × 98 =
14. 14.6 × 9 =
15. 15.12 × 49 =
16. 16.11 × 19 =
17. 17.14 × 98 =
18. 18.12 × 29 =
19. 19.5 × 49 =
20. 20.38 × 98 =
21. 21.4 × 49 =
22. 22.12 × 19 =
23. 23.11 × 98 =
24. 24.15 × 9 =
25. 25.3 × 9 =
26. 26.14 × 9 =
27. 27.4 × 9 =
28. 28.14 × 9 =
29. 29.11 × 98 =
30. 30.4 × 29 =
31. 31.15 × 98 =
32. 32.13 × 49 =
33. 33.16 × 98 =
34. 34.8 × 99 =
35. 35.7 × 49 =
36. 36.14 × 29 =
37. 37.15 × 49 =
38. 38.34 × 99 =
39. 39.29 × 98 =
40. 40.11 × 9 =

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