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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 879 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.46 × 4 =
  2. 2.35 × 4 =
  3. 3.54 × 4 =
  4. 4.39 × 4 =
  5. 5.15 × 4 =
  6. 6.10 × 4 =
  7. 7.58 × 4 =
  8. 8.22 × 4 =
  9. 9.43 × 4 =
  10. 10.50 × 4 =
  11. 11.48 × 4 =
  12. 12.56 × 4 =
  13. 13.30 × 4 =
  14. 14.47 × 4 =
  15. 15.52 × 4 =
  16. 16.33 × 4 =
  17. 17.25 × 4 =
  18. 18.11 × 4 =
  19. 19.20 × 4 =
  20. 20.37 × 4 =
  21. 21.7 × 4 =
  22. 22.42 × 4 =
  23. 23.19 × 4 =
  24. 24.60 × 4 =
  25. 25.40 × 4 =
  26. 26.31 × 4 =
  27. 27.18 × 4 =
  28. 28.55 × 4 =
  29. 29.17 × 4 =
  30. 30.12 × 4 =
  31. 31.24 × 4 =
  32. 32.21 × 4 =
  33. 33.29 × 4 =
  34. 34.49 × 4 =
  35. 35.32 × 4 =
  36. 36.38 × 4 =
  37. 37.59 × 4 =
  38. 38.8 × 4 =
  39. 39.13 × 4 =
  40. 40.26 × 4 =

Answer key

  1. 184
  2. 140
  3. 216
  4. 156
  5. 60
  6. 40
  7. 232
  8. 88
  9. 172
  10. 200
  11. 192
  12. 224
  13. 120
  14. 188
  15. 208
  16. 132
  17. 100
  18. 44
  19. 80
  20. 148
  21. 28
  22. 168
  23. 76
  24. 240
  25. 160
  26. 124
  27. 72
  28. 220
  29. 68
  30. 48
  31. 96
  32. 84
  33. 116
  34. 196
  35. 128
  36. 152
  37. 236
  38. 32
  39. 52
  40. 104

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