Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 921 · 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 × 29 =
2. 2.3 × 29 =
3. 3.17 × 98 =
4. 4.8 × 49 =
5. 5.15 × 19 =
6. 6.7 × 19 =
7. 7.10 × 99 =
8. 8.8 × 49 =
9. 9.7 × 19 =
10. 10.3 × 19 =
11. 11.4 × 9 =
12. 12.3 × 49 =
13. 13.5 × 19 =
14. 14.21 × 98 =
15. 15.3 × 9 =
16. 16.6 × 98 =
17. 17.15 × 49 =
18. 18.11 × 29 =
19. 19.10 × 19 =
20. 20.7 × 19 =
21. 21.6 × 99 =
22. 22.5 × 9 =
23. 23.5 × 19 =
24. 24.7 × 49 =
25. 25.12 × 19 =
26. 26.36 × 99 =
27. 27.12 × 9 =
28. 28.19 × 98 =
29. 29.7 × 19 =
30. 30.3 × 19 =
31. 31.11 × 99 =
32. 32.14 × 29 =
33. 33.15 × 19 =
34. 34.12 × 29 =
35. 35.22 × 98 =
36. 36.14 × 99 =
37. 37.3 × 98 =
38. 38.11 × 98 =
39. 39.4 × 99 =
40. 40.30 × 99 =

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