Multiply 11 to 19 Worksheet

Speed calculation lesson 9: Teen times teen · Set 971 · 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. 1.15 × 18 =
2. 2.19 × 14 =
3. 3.18 × 11 =
4. 4.11 × 13 =
5. 5.15 × 16 =
6. 6.12 × 13 =
7. 7.12 × 18 =
8. 8.12 × 18 =
9. 9.11 × 19 =
10. 10.17 × 15 =
11. 11.13 × 11 =
12. 12.18 × 18 =
13. 13.18 × 14 =
14. 14.14 × 18 =
15. 15.17 × 18 =
16. 16.15 × 13 =
17. 17.18 × 11 =
18. 18.15 × 12 =
19. 19.15 × 13 =
20. 20.16 × 17 =
21. 21.14 × 13 =
22. 22.11 × 11 =
23. 23.18 × 17 =
24. 24.11 × 19 =
25. 25.18 × 11 =
26. 26.17 × 19 =
27. 27.19 × 19 =
28. 28.13 × 12 =
29. 29.19 × 19 =
30. 30.19 × 15 =
31. 31.14 × 11 =
32. 32.15 × 13 =
33. 33.11 × 19 =
34. 34.11 × 16 =
35. 35.16 × 18 =
36. 36.19 × 11 =
37. 37.17 × 17 =
38. 38.13 × 14 =
39. 39.16 × 18 =
40. 40.18 × 19 =

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