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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 485 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.33 × 4 =
  3. 3.10 × 4 =
  4. 4.21 × 4 =
  5. 5.54 × 4 =
  6. 6.6 × 4 =
  7. 7.58 × 4 =
  8. 8.60 × 4 =
  9. 9.38 × 4 =
  10. 10.18 × 4 =
  11. 11.48 × 4 =
  12. 12.15 × 4 =
  13. 13.8 × 4 =
  14. 14.59 × 4 =
  15. 15.17 × 4 =
  16. 16.50 × 4 =
  17. 17.57 × 4 =
  18. 18.55 × 4 =
  19. 19.27 × 4 =
  20. 20.16 × 4 =
  21. 21.49 × 4 =
  22. 22.30 × 4 =
  23. 23.37 × 4 =
  24. 24.29 × 4 =
  25. 25.28 × 4 =
  26. 26.22 × 4 =
  27. 27.13 × 4 =
  28. 28.34 × 4 =
  29. 29.19 × 4 =
  30. 30.45 × 4 =
  31. 31.25 × 4 =
  32. 32.46 × 4 =
  33. 33.23 × 4 =
  34. 34.56 × 4 =
  35. 35.14 × 4 =
  36. 36.51 × 4 =
  37. 37.44 × 4 =
  38. 38.32 × 4 =
  39. 39.39 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 212
  2. 132
  3. 40
  4. 84
  5. 216
  6. 24
  7. 232
  8. 240
  9. 152
  10. 72
  11. 192
  12. 60
  13. 32
  14. 236
  15. 68
  16. 200
  17. 228
  18. 220
  19. 108
  20. 64
  21. 196
  22. 120
  23. 148
  24. 116
  25. 112
  26. 88
  27. 52
  28. 136
  29. 76
  30. 180
  31. 100
  32. 184
  33. 92
  34. 224
  35. 56
  36. 204
  37. 176
  38. 128
  39. 156
  40. 188

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