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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 525 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.60 × 4 =
  2. 2.14 × 4 =
  3. 3.45 × 4 =
  4. 4.25 × 4 =
  5. 5.12 × 4 =
  6. 6.46 × 4 =
  7. 7.11 × 4 =
  8. 8.33 × 4 =
  9. 9.30 × 4 =
  10. 10.49 × 4 =
  11. 11.58 × 4 =
  12. 12.43 × 4 =
  13. 13.21 × 4 =
  14. 14.39 × 4 =
  15. 15.36 × 4 =
  16. 16.59 × 4 =
  17. 17.53 × 4 =
  18. 18.55 × 4 =
  19. 19.31 × 4 =
  20. 20.24 × 4 =
  21. 21.7 × 4 =
  22. 22.20 × 4 =
  23. 23.18 × 4 =
  24. 24.16 × 4 =
  25. 25.9 × 4 =
  26. 26.8 × 4 =
  27. 27.48 × 4 =
  28. 28.42 × 4 =
  29. 29.17 × 4 =
  30. 30.6 × 4 =
  31. 31.22 × 4 =
  32. 32.56 × 4 =
  33. 33.54 × 4 =
  34. 34.32 × 4 =
  35. 35.47 × 4 =
  36. 36.26 × 4 =
  37. 37.19 × 4 =
  38. 38.28 × 4 =
  39. 39.15 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 240
  2. 56
  3. 180
  4. 100
  5. 48
  6. 184
  7. 44
  8. 132
  9. 120
  10. 196
  11. 232
  12. 172
  13. 84
  14. 156
  15. 144
  16. 236
  17. 212
  18. 220
  19. 124
  20. 96
  21. 28
  22. 80
  23. 72
  24. 64
  25. 36
  26. 32
  27. 192
  28. 168
  29. 68
  30. 24
  31. 88
  32. 224
  33. 216
  34. 128
  35. 188
  36. 104
  37. 76
  38. 112
  39. 60
  40. 108

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