← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 572 · 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. 2.60 × 15 =
  3. 3.21 × 15 =
  4. 4.28 × 15 =
  5. 5.10 × 15 =
  6. 6.7 × 15 =
  7. 7.38 × 15 =
  8. 8.19 × 15 =
  9. 9.45 × 15 =
  10. 10.7 × 15 =
  11. 11.43 × 15 =
  12. 12.42 × 15 =
  13. 13.7 × 15 =
  14. 14.44 × 15 =
  15. 15.12 × 15 =
  16. 16.31 × 15 =
  17. 17.26 × 15 =
  18. 18.8 × 15 =
  19. 19.16 × 15 =
  20. 20.12 × 15 =
  21. 21.28 × 15 =
  22. 22.62 × 15 =
  23. 23.45 × 15 =
  24. 24.20 × 15 =
  25. 25.19 × 15 =
  26. 26.8 × 15 =
  27. 27.4 × 15 =
  28. 28.21 × 15 =
  29. 29.52 × 15 =
  30. 30.61 × 15 =
  31. 31.28 × 15 =
  32. 32.14 × 15 =
  33. 33.49 × 15 =
  34. 34.5 × 15 =
  35. 35.21 × 15 =
  36. 36.21 × 15 =
  37. 37.25 × 15 =
  38. 38.58 × 15 =
  39. 39.11 × 15 =
  40. 40.7 × 15 =

Answer key

  1. 300
  2. 900
  3. 315
  4. 420
  5. 150
  6. 105
  7. 570
  8. 285
  9. 675
  10. 105
  11. 645
  12. 630
  13. 105
  14. 660
  15. 180
  16. 465
  17. 390
  18. 120
  19. 240
  20. 180
  21. 420
  22. 930
  23. 675
  24. 300
  25. 285
  26. 120
  27. 60
  28. 315
  29. 780
  30. 915
  31. 420
  32. 210
  33. 735
  34. 75
  35. 315
  36. 315
  37. 375
  38. 870
  39. 165
  40. 105

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