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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 422 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.46 × 4 =
  2. 2.58 × 4 =
  3. 3.39 × 4 =
  4. 4.20 × 4 =
  5. 5.41 × 4 =
  6. 6.54 × 4 =
  7. 7.34 × 4 =
  8. 8.51 × 4 =
  9. 9.10 × 4 =
  10. 10.7 × 4 =
  11. 11.9 × 4 =
  12. 12.53 × 4 =
  13. 13.38 × 4 =
  14. 14.33 × 4 =
  15. 15.44 × 4 =
  16. 16.21 × 4 =
  17. 17.13 × 4 =
  18. 18.29 × 4 =
  19. 19.45 × 4 =
  20. 20.52 × 4 =
  21. 21.36 × 4 =
  22. 22.27 × 4 =
  23. 23.30 × 4 =
  24. 24.48 × 4 =
  25. 25.12 × 4 =
  26. 26.26 × 4 =
  27. 27.24 × 4 =
  28. 28.25 × 4 =
  29. 29.49 × 4 =
  30. 30.55 × 4 =
  31. 31.6 × 4 =
  32. 32.22 × 4 =
  33. 33.16 × 4 =
  34. 34.40 × 4 =
  35. 35.56 × 4 =
  36. 36.17 × 4 =
  37. 37.28 × 4 =
  38. 38.14 × 4 =
  39. 39.23 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 184
  2. 232
  3. 156
  4. 80
  5. 164
  6. 216
  7. 136
  8. 204
  9. 40
  10. 28
  11. 36
  12. 212
  13. 152
  14. 132
  15. 176
  16. 84
  17. 52
  18. 116
  19. 180
  20. 208
  21. 144
  22. 108
  23. 120
  24. 192
  25. 48
  26. 104
  27. 96
  28. 100
  29. 196
  30. 220
  31. 24
  32. 88
  33. 64
  34. 160
  35. 224
  36. 68
  37. 112
  38. 56
  39. 92
  40. 240

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