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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 418 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.13 × 4 =
  3. 3.33 × 4 =
  4. 4.57 × 4 =
  5. 5.11 × 4 =
  6. 6.59 × 4 =
  7. 7.6 × 4 =
  8. 8.45 × 4 =
  9. 9.37 × 4 =
  10. 10.48 × 4 =
  11. 11.55 × 4 =
  12. 12.26 × 4 =
  13. 13.21 × 4 =
  14. 14.36 × 4 =
  15. 15.22 × 4 =
  16. 16.32 × 4 =
  17. 17.50 × 4 =
  18. 18.15 × 4 =
  19. 19.44 × 4 =
  20. 20.58 × 4 =
  21. 21.29 × 4 =
  22. 22.19 × 4 =
  23. 23.25 × 4 =
  24. 24.43 × 4 =
  25. 25.39 × 4 =
  26. 26.60 × 4 =
  27. 27.18 × 4 =
  28. 28.56 × 4 =
  29. 29.14 × 4 =
  30. 30.46 × 4 =
  31. 31.54 × 4 =
  32. 32.9 × 4 =
  33. 33.49 × 4 =
  34. 34.38 × 4 =
  35. 35.17 × 4 =
  36. 36.10 × 4 =
  37. 37.35 × 4 =
  38. 38.24 × 4 =
  39. 39.53 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 164
  2. 52
  3. 132
  4. 228
  5. 44
  6. 236
  7. 24
  8. 180
  9. 148
  10. 192
  11. 220
  12. 104
  13. 84
  14. 144
  15. 88
  16. 128
  17. 200
  18. 60
  19. 176
  20. 232
  21. 116
  22. 76
  23. 100
  24. 172
  25. 156
  26. 240
  27. 72
  28. 224
  29. 56
  30. 184
  31. 216
  32. 36
  33. 196
  34. 152
  35. 68
  36. 40
  37. 140
  38. 96
  39. 212
  40. 108

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