← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 683 · 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. 1.20 × 15 =
  2. 2.27 × 15 =
  3. 3.55 × 15 =
  4. 4.47 × 15 =
  5. 5.35 × 15 =
  6. 6.60 × 15 =
  7. 7.21 × 15 =
  8. 8.29 × 15 =
  9. 9.20 × 15 =
  10. 10.32 × 15 =
  11. 11.45 × 15 =
  12. 12.43 × 15 =
  13. 13.51 × 15 =
  14. 14.5 × 15 =
  15. 15.46 × 15 =
  16. 16.64 × 15 =
  17. 17.7 × 15 =
  18. 18.13 × 15 =
  19. 19.16 × 15 =
  20. 20.9 × 15 =
  21. 21.57 × 15 =
  22. 22.49 × 15 =
  23. 23.56 × 15 =
  24. 24.7 × 15 =
  25. 25.61 × 15 =
  26. 26.38 × 15 =
  27. 27.64 × 15 =
  28. 28.7 × 15 =
  29. 29.30 × 15 =
  30. 30.6 × 15 =
  31. 31.12 × 15 =
  32. 32.9 × 15 =
  33. 33.21 × 15 =
  34. 34.54 × 15 =
  35. 35.62 × 15 =
  36. 36.6 × 15 =
  37. 37.28 × 15 =
  38. 38.19 × 15 =
  39. 39.21 × 15 =
  40. 40.45 × 15 =

Answer key

  1. 300
  2. 405
  3. 825
  4. 705
  5. 525
  6. 900
  7. 315
  8. 435
  9. 300
  10. 480
  11. 675
  12. 645
  13. 765
  14. 75
  15. 690
  16. 960
  17. 105
  18. 195
  19. 240
  20. 135
  21. 855
  22. 735
  23. 840
  24. 105
  25. 915
  26. 570
  27. 960
  28. 105
  29. 450
  30. 90
  31. 180
  32. 135
  33. 315
  34. 810
  35. 930
  36. 90
  37. 420
  38. 285
  39. 315
  40. 675

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