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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 315 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.27 × 4 =
  2. 2.6 × 4 =
  3. 3.12 × 4 =
  4. 4.25 × 4 =
  5. 5.44 × 4 =
  6. 6.39 × 4 =
  7. 7.33 × 4 =
  8. 8.34 × 4 =
  9. 9.46 × 4 =
  10. 10.60 × 4 =
  11. 11.42 × 4 =
  12. 12.20 × 4 =
  13. 13.7 × 4 =
  14. 14.56 × 4 =
  15. 15.55 × 4 =
  16. 16.21 × 4 =
  17. 17.17 × 4 =
  18. 18.24 × 4 =
  19. 19.41 × 4 =
  20. 20.18 × 4 =
  21. 21.51 × 4 =
  22. 22.11 × 4 =
  23. 23.31 × 4 =
  24. 24.26 × 4 =
  25. 25.43 × 4 =
  26. 26.40 × 4 =
  27. 27.23 × 4 =
  28. 28.32 × 4 =
  29. 29.47 × 4 =
  30. 30.58 × 4 =
  31. 31.53 × 4 =
  32. 32.22 × 4 =
  33. 33.54 × 4 =
  34. 34.35 × 4 =
  35. 35.16 × 4 =
  36. 36.13 × 4 =
  37. 37.9 × 4 =
  38. 38.37 × 4 =
  39. 39.50 × 4 =
  40. 40.14 × 4 =

Answer key

  1. 108
  2. 24
  3. 48
  4. 100
  5. 176
  6. 156
  7. 132
  8. 136
  9. 184
  10. 240
  11. 168
  12. 80
  13. 28
  14. 224
  15. 220
  16. 84
  17. 68
  18. 96
  19. 164
  20. 72
  21. 204
  22. 44
  23. 124
  24. 104
  25. 172
  26. 160
  27. 92
  28. 128
  29. 188
  30. 232
  31. 212
  32. 88
  33. 216
  34. 140
  35. 64
  36. 52
  37. 36
  38. 148
  39. 200
  40. 56

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