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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 415 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.26 × 4 =
  2. 2.40 × 4 =
  3. 3.17 × 4 =
  4. 4.44 × 4 =
  5. 5.15 × 4 =
  6. 6.41 × 4 =
  7. 7.9 × 4 =
  8. 8.45 × 4 =
  9. 9.12 × 4 =
  10. 10.22 × 4 =
  11. 11.24 × 4 =
  12. 12.57 × 4 =
  13. 13.54 × 4 =
  14. 14.36 × 4 =
  15. 15.23 × 4 =
  16. 16.25 × 4 =
  17. 17.27 × 4 =
  18. 18.48 × 4 =
  19. 19.18 × 4 =
  20. 20.37 × 4 =
  21. 21.7 × 4 =
  22. 22.56 × 4 =
  23. 23.21 × 4 =
  24. 24.31 × 4 =
  25. 25.33 × 4 =
  26. 26.11 × 4 =
  27. 27.49 × 4 =
  28. 28.46 × 4 =
  29. 29.39 × 4 =
  30. 30.10 × 4 =
  31. 31.53 × 4 =
  32. 32.19 × 4 =
  33. 33.38 × 4 =
  34. 34.47 × 4 =
  35. 35.55 × 4 =
  36. 36.14 × 4 =
  37. 37.8 × 4 =
  38. 38.60 × 4 =
  39. 39.58 × 4 =
  40. 40.16 × 4 =

Answer key

  1. 104
  2. 160
  3. 68
  4. 176
  5. 60
  6. 164
  7. 36
  8. 180
  9. 48
  10. 88
  11. 96
  12. 228
  13. 216
  14. 144
  15. 92
  16. 100
  17. 108
  18. 192
  19. 72
  20. 148
  21. 28
  22. 224
  23. 84
  24. 124
  25. 132
  26. 44
  27. 196
  28. 184
  29. 156
  30. 40
  31. 212
  32. 76
  33. 152
  34. 188
  35. 220
  36. 56
  37. 32
  38. 240
  39. 232
  40. 64

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