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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 268 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.52 × 4 =
  3. 3.12 × 4 =
  4. 4.26 × 4 =
  5. 5.53 × 4 =
  6. 6.20 × 4 =
  7. 7.23 × 4 =
  8. 8.16 × 4 =
  9. 9.60 × 4 =
  10. 10.21 × 4 =
  11. 11.6 × 4 =
  12. 12.46 × 4 =
  13. 13.17 × 4 =
  14. 14.44 × 4 =
  15. 15.38 × 4 =
  16. 16.41 × 4 =
  17. 17.9 × 4 =
  18. 18.25 × 4 =
  19. 19.32 × 4 =
  20. 20.43 × 4 =
  21. 21.14 × 4 =
  22. 22.22 × 4 =
  23. 23.24 × 4 =
  24. 24.13 × 4 =
  25. 25.34 × 4 =
  26. 26.11 × 4 =
  27. 27.36 × 4 =
  28. 28.28 × 4 =
  29. 29.19 × 4 =
  30. 30.27 × 4 =
  31. 31.31 × 4 =
  32. 32.47 × 4 =
  33. 33.40 × 4 =
  34. 34.56 × 4 =
  35. 35.29 × 4 =
  36. 36.57 × 4 =
  37. 37.15 × 4 =
  38. 38.51 × 4 =
  39. 39.18 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 140
  2. 208
  3. 48
  4. 104
  5. 212
  6. 80
  7. 92
  8. 64
  9. 240
  10. 84
  11. 24
  12. 184
  13. 68
  14. 176
  15. 152
  16. 164
  17. 36
  18. 100
  19. 128
  20. 172
  21. 56
  22. 88
  23. 96
  24. 52
  25. 136
  26. 44
  27. 144
  28. 112
  29. 76
  30. 108
  31. 124
  32. 188
  33. 160
  34. 224
  35. 116
  36. 228
  37. 60
  38. 204
  39. 72
  40. 132

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