Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 960 · 40 questions

The fast method (Halve first): Halve the number. × 5: multiply the half by 10. × 50: multiply the half by 100. Odd number? Its half ends in .5 — 43 → 21.5 — and × 10 moves the point: 215.

1. 1.96 × 5 =
2. 2.25 × 50 =
3. 3.83 × 5 =
4. 4.98 × 50 =
5. 5.78 × 50 =
6. 6.35 × 50 =
7. 7.25 × 5 =
8. 8.92 × 5 =
9. 9.37 × 50 =
10. 10.15 × 50 =
11. 11.49 × 50 =
12. 12.58 × 50 =
13. 13.52 × 50 =
14. 14.89 × 5 =
15. 15.85 × 5 =
16. 16.56 × 50 =
17. 17.82 × 50 =
18. 18.48 × 5 =
19. 19.41 × 5 =
20. 20.91 × 5 =
21. 21.13 × 50 =
22. 22.42 × 50 =
23. 23.52 × 50 =
24. 24.54 × 5 =
25. 25.28 × 50 =
26. 26.23 × 50 =
27. 27.96 × 50 =
28. 28.25 × 50 =
29. 29.69 × 5 =
30. 30.37 × 50 =
31. 31.41 × 50 =
32. 32.32 × 50 =
33. 33.82 × 50 =
34. 34.71 × 5 =
35. 35.53 × 50 =
36. 36.54 × 5 =
37. 37.85 × 50 =
38. 38.60 × 5 =
39. 39.18 × 5 =
40. 40.88 × 50 =

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