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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 587 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.34 × 4 =
  2. 2.18 × 4 =
  3. 3.50 × 4 =
  4. 4.30 × 4 =
  5. 5.10 × 4 =
  6. 6.29 × 4 =
  7. 7.17 × 4 =
  8. 8.35 × 4 =
  9. 9.22 × 4 =
  10. 10.46 × 4 =
  11. 11.27 × 4 =
  12. 12.25 × 4 =
  13. 13.23 × 4 =
  14. 14.55 × 4 =
  15. 15.51 × 4 =
  16. 16.8 × 4 =
  17. 17.56 × 4 =
  18. 18.54 × 4 =
  19. 19.6 × 4 =
  20. 20.43 × 4 =
  21. 21.39 × 4 =
  22. 22.12 × 4 =
  23. 23.15 × 4 =
  24. 24.38 × 4 =
  25. 25.33 × 4 =
  26. 26.60 × 4 =
  27. 27.48 × 4 =
  28. 28.24 × 4 =
  29. 29.59 × 4 =
  30. 30.58 × 4 =
  31. 31.32 × 4 =
  32. 32.21 × 4 =
  33. 33.53 × 4 =
  34. 34.11 × 4 =
  35. 35.28 × 4 =
  36. 36.40 × 4 =
  37. 37.19 × 4 =
  38. 38.31 × 4 =
  39. 39.36 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 136
  2. 72
  3. 200
  4. 120
  5. 40
  6. 116
  7. 68
  8. 140
  9. 88
  10. 184
  11. 108
  12. 100
  13. 92
  14. 220
  15. 204
  16. 32
  17. 224
  18. 216
  19. 24
  20. 172
  21. 156
  22. 48
  23. 60
  24. 152
  25. 132
  26. 240
  27. 192
  28. 96
  29. 236
  30. 232
  31. 128
  32. 84
  33. 212
  34. 44
  35. 112
  36. 160
  37. 76
  38. 124
  39. 144
  40. 148

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