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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 248 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.54 × 4 =
  3. 3.56 × 4 =
  4. 4.24 × 4 =
  5. 5.27 × 4 =
  6. 6.32 × 4 =
  7. 7.18 × 4 =
  8. 8.55 × 4 =
  9. 9.13 × 4 =
  10. 10.45 × 4 =
  11. 11.60 × 4 =
  12. 12.16 × 4 =
  13. 13.7 × 4 =
  14. 14.29 × 4 =
  15. 15.26 × 4 =
  16. 16.11 × 4 =
  17. 17.34 × 4 =
  18. 18.40 × 4 =
  19. 19.14 × 4 =
  20. 20.47 × 4 =
  21. 21.15 × 4 =
  22. 22.43 × 4 =
  23. 23.6 × 4 =
  24. 24.53 × 4 =
  25. 25.19 × 4 =
  26. 26.17 × 4 =
  27. 27.37 × 4 =
  28. 28.46 × 4 =
  29. 29.21 × 4 =
  30. 30.33 × 4 =
  31. 31.48 × 4 =
  32. 32.30 × 4 =
  33. 33.36 × 4 =
  34. 34.25 × 4 =
  35. 35.42 × 4 =
  36. 36.52 × 4 =
  37. 37.38 × 4 =
  38. 38.50 × 4 =
  39. 39.58 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 176
  2. 216
  3. 224
  4. 96
  5. 108
  6. 128
  7. 72
  8. 220
  9. 52
  10. 180
  11. 240
  12. 64
  13. 28
  14. 116
  15. 104
  16. 44
  17. 136
  18. 160
  19. 56
  20. 188
  21. 60
  22. 172
  23. 24
  24. 212
  25. 76
  26. 68
  27. 148
  28. 184
  29. 84
  30. 132
  31. 192
  32. 120
  33. 144
  34. 100
  35. 168
  36. 208
  37. 152
  38. 200
  39. 232
  40. 204

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