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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 573 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.33 × 4 =
  2. 2.27 × 4 =
  3. 3.9 × 4 =
  4. 4.10 × 4 =
  5. 5.52 × 4 =
  6. 6.34 × 4 =
  7. 7.55 × 4 =
  8. 8.48 × 4 =
  9. 9.8 × 4 =
  10. 10.7 × 4 =
  11. 11.37 × 4 =
  12. 12.25 × 4 =
  13. 13.24 × 4 =
  14. 14.11 × 4 =
  15. 15.56 × 4 =
  16. 16.21 × 4 =
  17. 17.12 × 4 =
  18. 18.15 × 4 =
  19. 19.14 × 4 =
  20. 20.43 × 4 =
  21. 21.17 × 4 =
  22. 22.54 × 4 =
  23. 23.16 × 4 =
  24. 24.26 × 4 =
  25. 25.35 × 4 =
  26. 26.45 × 4 =
  27. 27.42 × 4 =
  28. 28.32 × 4 =
  29. 29.46 × 4 =
  30. 30.38 × 4 =
  31. 31.39 × 4 =
  32. 32.6 × 4 =
  33. 33.36 × 4 =
  34. 34.13 × 4 =
  35. 35.28 × 4 =
  36. 36.50 × 4 =
  37. 37.29 × 4 =
  38. 38.23 × 4 =
  39. 39.59 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 132
  2. 108
  3. 36
  4. 40
  5. 208
  6. 136
  7. 220
  8. 192
  9. 32
  10. 28
  11. 148
  12. 100
  13. 96
  14. 44
  15. 224
  16. 84
  17. 48
  18. 60
  19. 56
  20. 172
  21. 68
  22. 216
  23. 64
  24. 104
  25. 140
  26. 180
  27. 168
  28. 128
  29. 184
  30. 152
  31. 156
  32. 24
  33. 144
  34. 52
  35. 112
  36. 200
  37. 116
  38. 92
  39. 236
  40. 212

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