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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 54 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.45 × 4 =
  3. 3.39 × 4 =
  4. 4.53 × 4 =
  5. 5.36 × 4 =
  6. 6.20 × 4 =
  7. 7.8 × 4 =
  8. 8.59 × 4 =
  9. 9.56 × 4 =
  10. 10.30 × 4 =
  11. 11.34 × 4 =
  12. 12.17 × 4 =
  13. 13.54 × 4 =
  14. 14.47 × 4 =
  15. 15.15 × 4 =
  16. 16.19 × 4 =
  17. 17.55 × 4 =
  18. 18.37 × 4 =
  19. 19.9 × 4 =
  20. 20.25 × 4 =
  21. 21.28 × 4 =
  22. 22.57 × 4 =
  23. 23.50 × 4 =
  24. 24.24 × 4 =
  25. 25.42 × 4 =
  26. 26.13 × 4 =
  27. 27.58 × 4 =
  28. 28.21 × 4 =
  29. 29.11 × 4 =
  30. 30.29 × 4 =
  31. 31.32 × 4 =
  32. 32.35 × 4 =
  33. 33.49 × 4 =
  34. 34.26 × 4 =
  35. 35.60 × 4 =
  36. 36.43 × 4 =
  37. 37.22 × 4 =
  38. 38.52 × 4 =
  39. 39.7 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 56
  2. 180
  3. 156
  4. 212
  5. 144
  6. 80
  7. 32
  8. 236
  9. 224
  10. 120
  11. 136
  12. 68
  13. 216
  14. 188
  15. 60
  16. 76
  17. 220
  18. 148
  19. 36
  20. 100
  21. 112
  22. 228
  23. 200
  24. 96
  25. 168
  26. 52
  27. 232
  28. 84
  29. 44
  30. 116
  31. 128
  32. 140
  33. 196
  34. 104
  35. 240
  36. 172
  37. 88
  38. 208
  39. 28
  40. 92

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