Multiply 11 to 19 Worksheet

Speed calculation lesson 9: Teen times teen · Set 786 · 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. 1.17 × 15 =
2. 2.15 × 14 =
3. 3.17 × 17 =
4. 4.14 × 13 =
5. 5.13 × 12 =
6. 6.18 × 19 =
7. 7.15 × 14 =
8. 8.11 × 13 =
9. 9.12 × 17 =
10. 10.18 × 16 =
11. 11.15 × 14 =
12. 12.16 × 19 =
13. 13.15 × 15 =
14. 14.19 × 17 =
15. 15.12 × 17 =
16. 16.12 × 18 =
17. 17.13 × 19 =
18. 18.11 × 15 =
19. 19.14 × 15 =
20. 20.17 × 18 =
21. 21.15 × 19 =
22. 22.15 × 11 =
23. 23.19 × 18 =
24. 24.14 × 19 =
25. 25.12 × 13 =
26. 26.11 × 17 =
27. 27.17 × 16 =
28. 28.15 × 14 =
29. 29.16 × 18 =
30. 30.15 × 12 =
31. 31.13 × 13 =
32. 32.17 × 12 =
33. 33.12 × 15 =
34. 34.17 × 15 =
35. 35.16 × 13 =
36. 36.16 × 13 =
37. 37.12 × 18 =
38. 38.16 × 11 =
39. 39.17 × 12 =
40. 40.11 × 11 =

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