← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 15 · 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. 1.16 × 15 =
  2. 2.56 × 15 =
  3. 3.49 × 15 =
  4. 4.27 × 15 =
  5. 5.58 × 15 =
  6. 6.25 × 15 =
  7. 7.35 × 15 =
  8. 8.22 × 15 =
  9. 9.6 × 15 =
  10. 10.36 × 15 =
  11. 11.11 × 15 =
  12. 12.33 × 15 =
  13. 13.21 × 15 =
  14. 14.6 × 15 =
  15. 15.59 × 15 =
  16. 16.44 × 15 =
  17. 17.8 × 15 =
  18. 18.9 × 15 =
  19. 19.19 × 15 =
  20. 20.57 × 15 =
  21. 21.10 × 15 =
  22. 22.18 × 15 =
  23. 23.59 × 15 =
  24. 24.45 × 15 =
  25. 25.11 × 15 =
  26. 26.8 × 15 =
  27. 27.27 × 15 =
  28. 28.61 × 15 =
  29. 29.52 × 15 =
  30. 30.57 × 15 =
  31. 31.20 × 15 =
  32. 32.9 × 15 =
  33. 33.18 × 15 =
  34. 34.26 × 15 =
  35. 35.19 × 15 =
  36. 36.28 × 15 =
  37. 37.57 × 15 =
  38. 38.30 × 15 =
  39. 39.8 × 15 =
  40. 40.63 × 15 =

Answer key

  1. 240
  2. 840
  3. 735
  4. 405
  5. 870
  6. 375
  7. 525
  8. 330
  9. 90
  10. 540
  11. 165
  12. 495
  13. 315
  14. 90
  15. 885
  16. 660
  17. 120
  18. 135
  19. 285
  20. 855
  21. 150
  22. 270
  23. 885
  24. 675
  25. 165
  26. 120
  27. 405
  28. 915
  29. 780
  30. 855
  31. 300
  32. 135
  33. 270
  34. 390
  35. 285
  36. 420
  37. 855
  38. 450
  39. 120
  40. 945

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