Multiply 11 to 19 Worksheet

Speed calculation lesson 9: Teen times teen · Set 814 · 40 questions

The fast method (Add across, then the ones): Add the first number and the ones digit of the second: 17 + 4 = 21. Put a 0 after it: 210. Multiply the ones digits (7 × 4 = 28) and add: 210 + 28 = 238.

1. 1.18 × 12 =
2. 2.15 × 18 =
3. 3.12 × 15 =
4. 4.12 × 11 =
5. 5.15 × 12 =
6. 6.16 × 13 =
7. 7.13 × 15 =
8. 8.15 × 19 =
9. 9.13 × 13 =
10. 10.13 × 17 =
11. 11.14 × 19 =
12. 12.18 × 11 =
13. 13.12 × 17 =
14. 14.13 × 17 =
15. 15.15 × 17 =
16. 16.18 × 11 =
17. 17.16 × 15 =
18. 18.19 × 18 =
19. 19.15 × 15 =
20. 20.17 × 12 =
21. 21.18 × 11 =
22. 22.12 × 11 =
23. 23.12 × 13 =
24. 24.19 × 12 =
25. 25.12 × 11 =
26. 26.14 × 13 =
27. 27.18 × 16 =
28. 28.13 × 13 =
29. 29.12 × 19 =
30. 30.19 × 12 =
31. 31.18 × 19 =
32. 32.17 × 14 =
33. 33.11 × 18 =
34. 34.16 × 13 =
35. 35.18 × 13 =
36. 36.12 × 13 =
37. 37.14 × 13 =
38. 38.16 × 11 =
39. 39.17 × 18 =
40. 40.19 × 14 =

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