Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 565 · 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. 1.20 × 15 =
2. 2.14 × 15 =
3. 3.19 × 15 =
4. 4.38 × 15 =
5. 5.63 × 15 =
6. 6.36 × 15 =
7. 7.21 × 15 =
8. 8.21 × 15 =
9. 9.35 × 15 =
10. 10.21 × 15 =
11. 11.56 × 15 =
12. 12.7 × 15 =
13. 13.16 × 15 =
14. 14.56 × 15 =
15. 15.4 × 15 =
16. 16.32 × 15 =
17. 17.39 × 15 =
18. 18.62 × 15 =
19. 19.48 × 15 =
20. 20.31 × 15 =
21. 21.18 × 15 =
22. 22.64 × 15 =
23. 23.42 × 15 =
24. 24.51 × 15 =
25. 25.22 × 15 =
26. 26.39 × 15 =
27. 27.56 × 15 =
28. 28.42 × 15 =
29. 29.18 × 15 =
30. 30.18 × 15 =
31. 31.5 × 15 =
32. 32.43 × 15 =
33. 33.29 × 15 =
34. 34.16 × 15 =
35. 35.7 × 15 =
36. 36.11 × 15 =
37. 37.64 × 15 =
38. 38.57 × 15 =
39. 39.6 × 15 =
40. 40.22 × 15 =

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