← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 939 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.63 × 15 =
  2. 2.49 × 15 =
  3. 3.41 × 15 =
  4. 4.26 × 15 =
  5. 5.56 × 15 =
  6. 6.26 × 15 =
  7. 7.25 × 15 =
  8. 8.50 × 15 =
  9. 9.63 × 15 =
  10. 10.57 × 15 =
  11. 11.20 × 15 =
  12. 12.4 × 15 =
  13. 13.32 × 15 =
  14. 14.45 × 15 =
  15. 15.24 × 15 =
  16. 16.6 × 15 =
  17. 17.63 × 15 =
  18. 18.27 × 15 =
  19. 19.10 × 15 =
  20. 20.13 × 15 =
  21. 21.17 × 15 =
  22. 22.46 × 15 =
  23. 23.55 × 15 =
  24. 24.36 × 15 =
  25. 25.18 × 15 =
  26. 26.38 × 15 =
  27. 27.51 × 15 =
  28. 28.13 × 15 =
  29. 29.5 × 15 =
  30. 30.9 × 15 =
  31. 31.55 × 15 =
  32. 32.39 × 15 =
  33. 33.17 × 15 =
  34. 34.9 × 15 =
  35. 35.19 × 15 =
  36. 36.49 × 15 =
  37. 37.11 × 15 =
  38. 38.20 × 15 =
  39. 39.23 × 15 =
  40. 40.12 × 15 =

Answer key

  1. 945
  2. 735
  3. 615
  4. 390
  5. 840
  6. 390
  7. 375
  8. 750
  9. 945
  10. 855
  11. 300
  12. 60
  13. 480
  14. 675
  15. 360
  16. 90
  17. 945
  18. 405
  19. 150
  20. 195
  21. 255
  22. 690
  23. 825
  24. 540
  25. 270
  26. 570
  27. 765
  28. 195
  29. 75
  30. 135
  31. 825
  32. 585
  33. 255
  34. 135
  35. 285
  36. 735
  37. 165
  38. 300
  39. 345
  40. 180

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