← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 757 · 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. 1.30 × 15 =
  2. 2.23 × 15 =
  3. 3.24 × 15 =
  4. 4.20 × 15 =
  5. 5.26 × 15 =
  6. 6.13 × 15 =
  7. 7.43 × 15 =
  8. 8.22 × 15 =
  9. 9.8 × 15 =
  10. 10.6 × 15 =
  11. 11.42 × 15 =
  12. 12.14 × 15 =
  13. 13.12 × 15 =
  14. 14.54 × 15 =
  15. 15.61 × 15 =
  16. 16.48 × 15 =
  17. 17.48 × 15 =
  18. 18.46 × 15 =
  19. 19.19 × 15 =
  20. 20.12 × 15 =
  21. 21.57 × 15 =
  22. 22.20 × 15 =
  23. 23.53 × 15 =
  24. 24.62 × 15 =
  25. 25.16 × 15 =
  26. 26.6 × 15 =
  27. 27.43 × 15 =
  28. 28.38 × 15 =
  29. 29.21 × 15 =
  30. 30.23 × 15 =
  31. 31.31 × 15 =
  32. 32.22 × 15 =
  33. 33.41 × 15 =
  34. 34.33 × 15 =
  35. 35.61 × 15 =
  36. 36.12 × 15 =
  37. 37.60 × 15 =
  38. 38.32 × 15 =
  39. 39.19 × 15 =
  40. 40.56 × 15 =

Answer key

  1. 450
  2. 345
  3. 360
  4. 300
  5. 390
  6. 195
  7. 645
  8. 330
  9. 120
  10. 90
  11. 630
  12. 210
  13. 180
  14. 810
  15. 915
  16. 720
  17. 720
  18. 690
  19. 285
  20. 180
  21. 855
  22. 300
  23. 795
  24. 930
  25. 240
  26. 90
  27. 645
  28. 570
  29. 315
  30. 345
  31. 465
  32. 330
  33. 615
  34. 495
  35. 915
  36. 180
  37. 900
  38. 480
  39. 285
  40. 840

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