← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 884 · 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. 1.38 × 15 =
  2. 2.38 × 15 =
  3. 3.40 × 15 =
  4. 4.60 × 15 =
  5. 5.41 × 15 =
  6. 6.13 × 15 =
  7. 7.30 × 15 =
  8. 8.26 × 15 =
  9. 9.16 × 15 =
  10. 10.7 × 15 =
  11. 11.29 × 15 =
  12. 12.13 × 15 =
  13. 13.8 × 15 =
  14. 14.8 × 15 =
  15. 15.62 × 15 =
  16. 16.26 × 15 =
  17. 17.38 × 15 =
  18. 18.35 × 15 =
  19. 19.23 × 15 =
  20. 20.9 × 15 =
  21. 21.8 × 15 =
  22. 22.22 × 15 =
  23. 23.59 × 15 =
  24. 24.56 × 15 =
  25. 25.14 × 15 =
  26. 26.15 × 15 =
  27. 27.61 × 15 =
  28. 28.25 × 15 =
  29. 29.51 × 15 =
  30. 30.29 × 15 =
  31. 31.54 × 15 =
  32. 32.17 × 15 =
  33. 33.43 × 15 =
  34. 34.48 × 15 =
  35. 35.22 × 15 =
  36. 36.47 × 15 =
  37. 37.58 × 15 =
  38. 38.18 × 15 =
  39. 39.8 × 15 =
  40. 40.46 × 15 =

Answer key

  1. 570
  2. 570
  3. 600
  4. 900
  5. 615
  6. 195
  7. 450
  8. 390
  9. 240
  10. 105
  11. 435
  12. 195
  13. 120
  14. 120
  15. 930
  16. 390
  17. 570
  18. 525
  19. 345
  20. 135
  21. 120
  22. 330
  23. 885
  24. 840
  25. 210
  26. 225
  27. 915
  28. 375
  29. 765
  30. 435
  31. 810
  32. 255
  33. 645
  34. 720
  35. 330
  36. 705
  37. 870
  38. 270
  39. 120
  40. 690

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