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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 331 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.20 × 4 =
  2. 2.21 × 4 =
  3. 3.17 × 4 =
  4. 4.25 × 4 =
  5. 5.50 × 4 =
  6. 6.22 × 4 =
  7. 7.58 × 4 =
  8. 8.38 × 4 =
  9. 9.35 × 4 =
  10. 10.12 × 4 =
  11. 11.39 × 4 =
  12. 12.42 × 4 =
  13. 13.18 × 4 =
  14. 14.26 × 4 =
  15. 15.56 × 4 =
  16. 16.19 × 4 =
  17. 17.7 × 4 =
  18. 18.49 × 4 =
  19. 19.8 × 4 =
  20. 20.13 × 4 =
  21. 21.52 × 4 =
  22. 22.32 × 4 =
  23. 23.54 × 4 =
  24. 24.11 × 4 =
  25. 25.27 × 4 =
  26. 26.33 × 4 =
  27. 27.43 × 4 =
  28. 28.30 × 4 =
  29. 29.36 × 4 =
  30. 30.6 × 4 =
  31. 31.48 × 4 =
  32. 32.55 × 4 =
  33. 33.41 × 4 =
  34. 34.53 × 4 =
  35. 35.46 × 4 =
  36. 36.44 × 4 =
  37. 37.14 × 4 =
  38. 38.34 × 4 =
  39. 39.28 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 80
  2. 84
  3. 68
  4. 100
  5. 200
  6. 88
  7. 232
  8. 152
  9. 140
  10. 48
  11. 156
  12. 168
  13. 72
  14. 104
  15. 224
  16. 76
  17. 28
  18. 196
  19. 32
  20. 52
  21. 208
  22. 128
  23. 216
  24. 44
  25. 108
  26. 132
  27. 172
  28. 120
  29. 144
  30. 24
  31. 192
  32. 220
  33. 164
  34. 212
  35. 184
  36. 176
  37. 56
  38. 136
  39. 112
  40. 188

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