← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 92 · 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. 2.31 × 15 =
  3. 3.21 × 15 =
  4. 4.28 × 15 =
  5. 5.56 × 15 =
  6. 6.60 × 15 =
  7. 7.7 × 15 =
  8. 8.47 × 15 =
  9. 9.41 × 15 =
  10. 10.47 × 15 =
  11. 11.16 × 15 =
  12. 12.17 × 15 =
  13. 13.61 × 15 =
  14. 14.5 × 15 =
  15. 15.20 × 15 =
  16. 16.46 × 15 =
  17. 17.60 × 15 =
  18. 18.7 × 15 =
  19. 19.15 × 15 =
  20. 20.8 × 15 =
  21. 21.22 × 15 =
  22. 22.40 × 15 =
  23. 23.5 × 15 =
  24. 24.17 × 15 =
  25. 25.17 × 15 =
  26. 26.61 × 15 =
  27. 27.34 × 15 =
  28. 28.35 × 15 =
  29. 29.43 × 15 =
  30. 30.60 × 15 =
  31. 31.60 × 15 =
  32. 32.62 × 15 =
  33. 33.4 × 15 =
  34. 34.28 × 15 =
  35. 35.38 × 15 =
  36. 36.41 × 15 =
  37. 37.13 × 15 =
  38. 38.18 × 15 =
  39. 39.7 × 15 =
  40. 40.62 × 15 =

Answer key

  1. 240
  2. 465
  3. 315
  4. 420
  5. 840
  6. 900
  7. 105
  8. 705
  9. 615
  10. 705
  11. 240
  12. 255
  13. 915
  14. 75
  15. 300
  16. 690
  17. 900
  18. 105
  19. 225
  20. 120
  21. 330
  22. 600
  23. 75
  24. 255
  25. 255
  26. 915
  27. 510
  28. 525
  29. 645
  30. 900
  31. 900
  32. 930
  33. 60
  34. 420
  35. 570
  36. 615
  37. 195
  38. 270
  39. 105
  40. 930

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