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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 242 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.44 × 4 =
  3. 3.41 × 4 =
  4. 4.31 × 4 =
  5. 5.19 × 4 =
  6. 6.6 × 4 =
  7. 7.59 × 4 =
  8. 8.11 × 4 =
  9. 9.30 × 4 =
  10. 10.56 × 4 =
  11. 11.8 × 4 =
  12. 12.12 × 4 =
  13. 13.34 × 4 =
  14. 14.52 × 4 =
  15. 15.32 × 4 =
  16. 16.37 × 4 =
  17. 17.48 × 4 =
  18. 18.38 × 4 =
  19. 19.17 × 4 =
  20. 20.42 × 4 =
  21. 21.55 × 4 =
  22. 22.54 × 4 =
  23. 23.10 × 4 =
  24. 24.20 × 4 =
  25. 25.43 × 4 =
  26. 26.26 × 4 =
  27. 27.53 × 4 =
  28. 28.21 × 4 =
  29. 29.58 × 4 =
  30. 30.7 × 4 =
  31. 31.36 × 4 =
  32. 32.28 × 4 =
  33. 33.15 × 4 =
  34. 34.29 × 4 =
  35. 35.16 × 4 =
  36. 36.35 × 4 =
  37. 37.14 × 4 =
  38. 38.13 × 4 =
  39. 39.60 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 92
  2. 176
  3. 164
  4. 124
  5. 76
  6. 24
  7. 236
  8. 44
  9. 120
  10. 224
  11. 32
  12. 48
  13. 136
  14. 208
  15. 128
  16. 148
  17. 192
  18. 152
  19. 68
  20. 168
  21. 220
  22. 216
  23. 40
  24. 80
  25. 172
  26. 104
  27. 212
  28. 84
  29. 232
  30. 28
  31. 144
  32. 112
  33. 60
  34. 116
  35. 64
  36. 140
  37. 56
  38. 52
  39. 240
  40. 156

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