Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 685 · 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. 1.9 × 9 =
2. 2.8 × 19 =
3. 3.6 × 29 =
4. 4.6 × 9 =
5. 5.13 × 19 =
6. 6.21 × 98 =
7. 7.4 × 19 =
8. 8.4 × 19 =
9. 9.9 × 99 =
10. 10.13 × 9 =
11. 11.14 × 19 =
12. 12.15 × 98 =
13. 13.4 × 19 =
14. 14.4 × 19 =
15. 15.12 × 29 =
16. 16.5 × 9 =
17. 17.13 × 19 =
18. 18.15 × 19 =
19. 19.7 × 9 =
20. 20.10 × 19 =
21. 21.3 × 29 =
22. 22.13 × 29 =
23. 23.26 × 99 =
24. 24.37 × 99 =
25. 25.11 × 49 =
26. 26.27 × 99 =
27. 27.3 × 9 =
28. 28.14 × 29 =
29. 29.5 × 49 =
30. 30.11 × 9 =
31. 31.6 × 9 =
32. 32.8 × 19 =
33. 33.12 × 29 =
34. 34.26 × 99 =
35. 35.34 × 98 =
36. 36.29 × 99 =
37. 37.26 × 99 =
38. 38.4 × 9 =
39. 39.12 × 9 =
40. 40.5 × 98 =

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