Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 417 · 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. 1.44 × 5 =
2. 2.26 × 50 =
3. 3.12 × 5 =
4. 4.39 × 5 =
5. 5.48 × 50 =
6. 6.93 × 50 =
7. 7.16 × 5 =
8. 8.45 × 50 =
9. 9.70 × 50 =
10. 10.80 × 5 =
11. 11.66 × 5 =
12. 12.62 × 5 =
13. 13.83 × 5 =
14. 14.54 × 5 =
15. 15.61 × 5 =
16. 16.72 × 5 =
17. 17.92 × 5 =
18. 18.60 × 5 =
19. 19.49 × 5 =
20. 20.40 × 5 =
21. 21.82 × 5 =
22. 22.87 × 50 =
23. 23.28 × 50 =
24. 24.16 × 5 =
25. 25.24 × 50 =
26. 26.16 × 50 =
27. 27.38 × 50 =
28. 28.19 × 50 =
29. 29.80 × 5 =
30. 30.97 × 50 =
31. 31.95 × 50 =
32. 32.35 × 50 =
33. 33.82 × 5 =
34. 34.14 × 5 =
35. 35.31 × 5 =
36. 36.54 × 5 =
37. 37.26 × 5 =
38. 38.41 × 5 =
39. 39.25 × 50 =
40. 40.25 × 50 =

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