Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 870 · 40 questions

The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.

1. 1.13 × 15 =
2. 2.31 × 15 =
3. 3.15 × 15 =
4. 4.56 × 15 =
5. 5.62 × 15 =
6. 6.16 × 15 =
7. 7.32 × 15 =
8. 8.10 × 15 =
9. 9.12 × 15 =
10. 10.43 × 15 =
11. 11.11 × 15 =
12. 12.32 × 15 =
13. 13.64 × 15 =
14. 14.57 × 15 =
15. 15.48 × 15 =
16. 16.6 × 15 =
17. 17.14 × 15 =
18. 18.53 × 15 =
19. 19.29 × 15 =
20. 20.40 × 15 =
21. 21.47 × 15 =
22. 22.29 × 15 =
23. 23.17 × 15 =
24. 24.24 × 15 =
25. 25.20 × 15 =
26. 26.26 × 15 =
27. 27.34 × 15 =
28. 28.56 × 15 =
29. 29.39 × 15 =
30. 30.50 × 15 =
31. 31.19 × 15 =
32. 32.15 × 15 =
33. 33.20 × 15 =
34. 34.34 × 15 =
35. 35.8 × 15 =
36. 36.26 × 15 =
37. 37.42 × 15 =
38. 38.32 × 15 =
39. 39.18 × 15 =
40. 40.28 × 15 =

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths