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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 425 · 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. 2.53 × 4 =
  3. 3.22 × 4 =
  4. 4.37 × 4 =
  5. 5.45 × 4 =
  6. 6.8 × 4 =
  7. 7.18 × 4 =
  8. 8.12 × 4 =
  9. 9.39 × 4 =
  10. 10.15 × 4 =
  11. 11.28 × 4 =
  12. 12.13 × 4 =
  13. 13.58 × 4 =
  14. 14.20 × 4 =
  15. 15.51 × 4 =
  16. 16.44 × 4 =
  17. 17.9 × 4 =
  18. 18.21 × 4 =
  19. 19.10 × 4 =
  20. 20.40 × 4 =
  21. 21.41 × 4 =
  22. 22.36 × 4 =
  23. 23.42 × 4 =
  24. 24.29 × 4 =
  25. 25.60 × 4 =
  26. 26.24 × 4 =
  27. 27.16 × 4 =
  28. 28.43 × 4 =
  29. 29.56 × 4 =
  30. 30.25 × 4 =
  31. 31.54 × 4 =
  32. 32.14 × 4 =
  33. 33.46 × 4 =
  34. 34.55 × 4 =
  35. 35.23 × 4 =
  36. 36.59 × 4 =
  37. 37.11 × 4 =
  38. 38.31 × 4 =
  39. 39.26 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 68
  2. 212
  3. 88
  4. 148
  5. 180
  6. 32
  7. 72
  8. 48
  9. 156
  10. 60
  11. 112
  12. 52
  13. 232
  14. 80
  15. 204
  16. 176
  17. 36
  18. 84
  19. 40
  20. 160
  21. 164
  22. 144
  23. 168
  24. 116
  25. 240
  26. 96
  27. 64
  28. 172
  29. 224
  30. 100
  31. 216
  32. 56
  33. 184
  34. 220
  35. 92
  36. 236
  37. 44
  38. 124
  39. 104
  40. 188

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