← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 213 · 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. 2.50 × 15 =
  3. 3.63 × 15 =
  4. 4.24 × 15 =
  5. 5.26 × 15 =
  6. 6.44 × 15 =
  7. 7.36 × 15 =
  8. 8.36 × 15 =
  9. 9.41 × 15 =
  10. 10.37 × 15 =
  11. 11.30 × 15 =
  12. 12.4 × 15 =
  13. 13.14 × 15 =
  14. 14.19 × 15 =
  15. 15.12 × 15 =
  16. 16.4 × 15 =
  17. 17.54 × 15 =
  18. 18.7 × 15 =
  19. 19.54 × 15 =
  20. 20.13 × 15 =
  21. 21.23 × 15 =
  22. 22.10 × 15 =
  23. 23.13 × 15 =
  24. 24.40 × 15 =
  25. 25.50 × 15 =
  26. 26.23 × 15 =
  27. 27.58 × 15 =
  28. 28.38 × 15 =
  29. 29.52 × 15 =
  30. 30.39 × 15 =
  31. 31.57 × 15 =
  32. 32.54 × 15 =
  33. 33.31 × 15 =
  34. 34.35 × 15 =
  35. 35.16 × 15 =
  36. 36.36 × 15 =
  37. 37.14 × 15 =
  38. 38.5 × 15 =
  39. 39.49 × 15 =
  40. 40.46 × 15 =

Answer key

  1. 945
  2. 750
  3. 945
  4. 360
  5. 390
  6. 660
  7. 540
  8. 540
  9. 615
  10. 555
  11. 450
  12. 60
  13. 210
  14. 285
  15. 180
  16. 60
  17. 810
  18. 105
  19. 810
  20. 195
  21. 345
  22. 150
  23. 195
  24. 600
  25. 750
  26. 345
  27. 870
  28. 570
  29. 780
  30. 585
  31. 855
  32. 810
  33. 465
  34. 525
  35. 240
  36. 540
  37. 210
  38. 75
  39. 735
  40. 690

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