Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 1 · 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. 1.35 × 98 =
2. 2.9 × 9 =
3. 3.9 × 19 =
4. 4.9 × 98 =
5. 5.12 × 9 =
6. 6.14 × 9 =
7. 7.37 × 99 =
8. 8.9 × 9 =
9. 9.11 × 9 =
10. 10.5 × 29 =
11. 11.14 × 49 =
12. 12.26 × 99 =
13. 13.5 × 19 =
14. 14.11 × 19 =
15. 15.3 × 49 =
16. 16.23 × 98 =
17. 17.8 × 29 =
18. 18.13 × 98 =
19. 19.33 × 99 =
20. 20.13 × 49 =
21. 21.14 × 49 =
22. 22.3 × 29 =
23. 23.4 × 29 =
24. 24.10 × 19 =
25. 25.5 × 19 =
26. 26.7 × 49 =
27. 27.9 × 29 =
28. 28.10 × 9 =
29. 29.5 × 19 =
30. 30.14 × 9 =
31. 31.10 × 9 =
32. 32.9 × 19 =
33. 33.10 × 19 =
34. 34.11 × 29 =
35. 35.14 × 19 =
36. 36.19 × 98 =
37. 37.3 × 19 =
38. 38.15 × 29 =
39. 39.13 × 98 =
40. 40.14 × 29 =

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