Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 878 · 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. 1.16 × 5 =
2. 2.55 × 5 =
3. 3.84 × 5 =
4. 4.59 × 50 =
5. 5.91 × 50 =
6. 6.83 × 5 =
7. 7.39 × 50 =
8. 8.35 × 50 =
9. 9.32 × 50 =
10. 10.35 × 50 =
11. 11.33 × 50 =
12. 12.12 × 50 =
13. 13.54 × 50 =
14. 14.58 × 50 =
15. 15.89 × 5 =
16. 16.78 × 5 =
17. 17.23 × 5 =
18. 18.62 × 5 =
19. 19.62 × 50 =
20. 20.58 × 5 =
21. 21.73 × 50 =
22. 22.78 × 50 =
23. 23.83 × 50 =
24. 24.69 × 5 =
25. 25.73 × 50 =
26. 26.57 × 5 =
27. 27.35 × 50 =
28. 28.15 × 50 =
29. 29.72 × 5 =
30. 30.37 × 5 =
31. 31.27 × 50 =
32. 32.53 × 50 =
33. 33.72 × 5 =
34. 34.65 × 5 =
35. 35.67 × 50 =
36. 36.93 × 50 =
37. 37.78 × 50 =
38. 38.77 × 50 =
39. 39.22 × 5 =
40. 40.91 × 5 =

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