Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 996 · 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. 1.14 × 5 =
2. 2.20 × 50 =
3. 3.55 × 5 =
4. 4.90 × 50 =
5. 5.82 × 50 =
6. 6.95 × 5 =
7. 7.81 × 5 =
8. 8.82 × 5 =
9. 9.12 × 50 =
10. 10.50 × 5 =
11. 11.59 × 5 =
12. 12.58 × 50 =
13. 13.43 × 50 =
14. 14.34 × 50 =
15. 15.19 × 5 =
16. 16.48 × 5 =
17. 17.92 × 5 =
18. 18.79 × 50 =
19. 19.67 × 50 =
20. 20.18 × 50 =
21. 21.96 × 50 =
22. 22.21 × 5 =
23. 23.32 × 5 =
24. 24.41 × 5 =
25. 25.92 × 5 =
26. 26.79 × 50 =
27. 27.54 × 5 =
28. 28.54 × 5 =
29. 29.49 × 50 =
30. 30.51 × 5 =
31. 31.53 × 50 =
32. 32.41 × 5 =
33. 33.20 × 5 =
34. 34.86 × 5 =
35. 35.13 × 50 =
36. 36.28 × 5 =
37. 37.76 × 50 =
38. 38.18 × 5 =
39. 39.73 × 5 =
40. 40.45 × 50 =

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