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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 227 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.23 × 4 =
  3. 3.41 × 4 =
  4. 4.34 × 4 =
  5. 5.33 × 4 =
  6. 6.32 × 4 =
  7. 7.28 × 4 =
  8. 8.40 × 4 =
  9. 9.44 × 4 =
  10. 10.42 × 4 =
  11. 11.31 × 4 =
  12. 12.56 × 4 =
  13. 13.25 × 4 =
  14. 14.59 × 4 =
  15. 15.43 × 4 =
  16. 16.15 × 4 =
  17. 17.10 × 4 =
  18. 18.27 × 4 =
  19. 19.37 × 4 =
  20. 20.35 × 4 =
  21. 21.47 × 4 =
  22. 22.20 × 4 =
  23. 23.53 × 4 =
  24. 24.57 × 4 =
  25. 25.46 × 4 =
  26. 26.60 × 4 =
  27. 27.24 × 4 =
  28. 28.22 × 4 =
  29. 29.38 × 4 =
  30. 30.13 × 4 =
  31. 31.7 × 4 =
  32. 32.21 × 4 =
  33. 33.36 × 4 =
  34. 34.51 × 4 =
  35. 35.12 × 4 =
  36. 36.14 × 4 =
  37. 37.19 × 4 =
  38. 38.29 × 4 =
  39. 39.9 × 4 =
  40. 40.26 × 4 =

Answer key

  1. 68
  2. 92
  3. 164
  4. 136
  5. 132
  6. 128
  7. 112
  8. 160
  9. 176
  10. 168
  11. 124
  12. 224
  13. 100
  14. 236
  15. 172
  16. 60
  17. 40
  18. 108
  19. 148
  20. 140
  21. 188
  22. 80
  23. 212
  24. 228
  25. 184
  26. 240
  27. 96
  28. 88
  29. 152
  30. 52
  31. 28
  32. 84
  33. 144
  34. 204
  35. 48
  36. 56
  37. 76
  38. 116
  39. 36
  40. 104

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