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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 371 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.7 × 4 =
  3. 3.24 × 4 =
  4. 4.25 × 4 =
  5. 5.43 × 4 =
  6. 6.13 × 4 =
  7. 7.14 × 4 =
  8. 8.34 × 4 =
  9. 9.54 × 4 =
  10. 10.55 × 4 =
  11. 11.16 × 4 =
  12. 12.19 × 4 =
  13. 13.47 × 4 =
  14. 14.20 × 4 =
  15. 15.40 × 4 =
  16. 16.46 × 4 =
  17. 17.21 × 4 =
  18. 18.30 × 4 =
  19. 19.56 × 4 =
  20. 20.50 × 4 =
  21. 21.36 × 4 =
  22. 22.11 × 4 =
  23. 23.26 × 4 =
  24. 24.29 × 4 =
  25. 25.51 × 4 =
  26. 26.39 × 4 =
  27. 27.37 × 4 =
  28. 28.17 × 4 =
  29. 29.12 × 4 =
  30. 30.58 × 4 =
  31. 31.59 × 4 =
  32. 32.45 × 4 =
  33. 33.48 × 4 =
  34. 34.27 × 4 =
  35. 35.52 × 4 =
  36. 36.38 × 4 =
  37. 37.31 × 4 =
  38. 38.18 × 4 =
  39. 39.15 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 24
  2. 28
  3. 96
  4. 100
  5. 172
  6. 52
  7. 56
  8. 136
  9. 216
  10. 220
  11. 64
  12. 76
  13. 188
  14. 80
  15. 160
  16. 184
  17. 84
  18. 120
  19. 224
  20. 200
  21. 144
  22. 44
  23. 104
  24. 116
  25. 204
  26. 156
  27. 148
  28. 68
  29. 48
  30. 232
  31. 236
  32. 180
  33. 192
  34. 108
  35. 208
  36. 152
  37. 124
  38. 72
  39. 60
  40. 132

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