Multiply by 12, 16, 18 and 24 Worksheet

Maths tricks trick 19: Factor chains for multiplying · Set 819 · 40 questions

The trick (Chain the factors): Split the multiplier into two small factors: 12 = 3 × 4, 14 = 2 × 7, 15 = 3 × 5, 16 = 4 × 4, 18 = 2 × 9, 24 = 4 × 6. Multiply by the first factor. Multiply that answer by the second factor (× 4 is double, double).

1. 1.26 × 14 =
2. 2.15 × 15 =
3. 3.22 × 12 =
4. 4.26 × 15 =
5. 5.49 × 14 =
6. 6.16 × 24 =
7. 7.27 × 15 =
8. 8.34 × 14 =
9. 9.21 × 15 =
10. 10.14 × 16 =
11. 11.25 × 12 =
12. 12.26 × 18 =
13. 13.42 × 14 =
14. 14.11 × 14 =
15. 15.24 × 12 =
16. 16.30 × 24 =
17. 17.39 × 16 =
18. 18.27 × 18 =
19. 19.22 × 24 =
20. 20.39 × 14 =
21. 21.23 × 14 =
22. 22.36 × 12 =
23. 23.14 × 18 =
24. 24.17 × 18 =
25. 25.31 × 14 =
26. 26.38 × 14 =
27. 27.31 × 18 =
28. 28.37 × 16 =
29. 29.46 × 12 =
30. 30.22 × 16 =
31. 31.32 × 24 =
32. 32.33 × 18 =
33. 33.28 × 24 =
34. 34.32 × 12 =
35. 35.14 × 12 =
36. 36.35 × 15 =
37. 37.45 × 18 =
38. 38.16 × 16 =
39. 39.48 × 14 =
40. 40.12 × 14 =

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