← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 477 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.54 × 4 =
  2. 2.8 × 4 =
  3. 3.59 × 4 =
  4. 4.49 × 4 =
  5. 5.39 × 4 =
  6. 6.19 × 4 =
  7. 7.21 × 4 =
  8. 8.31 × 4 =
  9. 9.24 × 4 =
  10. 10.23 × 4 =
  11. 11.18 × 4 =
  12. 12.20 × 4 =
  13. 13.43 × 4 =
  14. 14.55 × 4 =
  15. 15.38 × 4 =
  16. 16.40 × 4 =
  17. 17.12 × 4 =
  18. 18.32 × 4 =
  19. 19.22 × 4 =
  20. 20.6 × 4 =
  21. 21.51 × 4 =
  22. 22.60 × 4 =
  23. 23.52 × 4 =
  24. 24.48 × 4 =
  25. 25.53 × 4 =
  26. 26.44 × 4 =
  27. 27.10 × 4 =
  28. 28.34 × 4 =
  29. 29.28 × 4 =
  30. 30.29 × 4 =
  31. 31.35 × 4 =
  32. 32.7 × 4 =
  33. 33.14 × 4 =
  34. 34.15 × 4 =
  35. 35.30 × 4 =
  36. 36.33 × 4 =
  37. 37.26 × 4 =
  38. 38.13 × 4 =
  39. 39.42 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 216
  2. 32
  3. 236
  4. 196
  5. 156
  6. 76
  7. 84
  8. 124
  9. 96
  10. 92
  11. 72
  12. 80
  13. 172
  14. 220
  15. 152
  16. 160
  17. 48
  18. 128
  19. 88
  20. 24
  21. 204
  22. 240
  23. 208
  24. 192
  25. 212
  26. 176
  27. 40
  28. 136
  29. 112
  30. 116
  31. 140
  32. 28
  33. 56
  34. 60
  35. 120
  36. 132
  37. 104
  38. 52
  39. 168
  40. 188

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