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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 6 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.41 × 4 =
  3. 3.60 × 4 =
  4. 4.48 × 4 =
  5. 5.37 × 4 =
  6. 6.46 × 4 =
  7. 7.28 × 4 =
  8. 8.35 × 4 =
  9. 9.13 × 4 =
  10. 10.40 × 4 =
  11. 11.17 × 4 =
  12. 12.36 × 4 =
  13. 13.39 × 4 =
  14. 14.20 × 4 =
  15. 15.33 × 4 =
  16. 16.6 × 4 =
  17. 17.8 × 4 =
  18. 18.15 × 4 =
  19. 19.12 × 4 =
  20. 20.31 × 4 =
  21. 21.47 × 4 =
  22. 22.26 × 4 =
  23. 23.32 × 4 =
  24. 24.21 × 4 =
  25. 25.59 × 4 =
  26. 26.57 × 4 =
  27. 27.49 × 4 =
  28. 28.43 × 4 =
  29. 29.58 × 4 =
  30. 30.10 × 4 =
  31. 31.38 × 4 =
  32. 32.18 × 4 =
  33. 33.51 × 4 =
  34. 34.55 × 4 =
  35. 35.22 × 4 =
  36. 36.56 × 4 =
  37. 37.19 × 4 =
  38. 38.27 × 4 =
  39. 39.24 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 36
  2. 164
  3. 240
  4. 192
  5. 148
  6. 184
  7. 112
  8. 140
  9. 52
  10. 160
  11. 68
  12. 144
  13. 156
  14. 80
  15. 132
  16. 24
  17. 32
  18. 60
  19. 48
  20. 124
  21. 188
  22. 104
  23. 128
  24. 84
  25. 236
  26. 228
  27. 196
  28. 172
  29. 232
  30. 40
  31. 152
  32. 72
  33. 204
  34. 220
  35. 88
  36. 224
  37. 76
  38. 108
  39. 96
  40. 212

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