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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 25 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.10 × 4 =
  3. 3.37 × 4 =
  4. 4.46 × 4 =
  5. 5.42 × 4 =
  6. 6.34 × 4 =
  7. 7.29 × 4 =
  8. 8.13 × 4 =
  9. 9.28 × 4 =
  10. 10.26 × 4 =
  11. 11.48 × 4 =
  12. 12.16 × 4 =
  13. 13.7 × 4 =
  14. 14.15 × 4 =
  15. 15.19 × 4 =
  16. 16.32 × 4 =
  17. 17.36 × 4 =
  18. 18.51 × 4 =
  19. 19.6 × 4 =
  20. 20.20 × 4 =
  21. 21.40 × 4 =
  22. 22.59 × 4 =
  23. 23.55 × 4 =
  24. 24.31 × 4 =
  25. 25.24 × 4 =
  26. 26.12 × 4 =
  27. 27.8 × 4 =
  28. 28.22 × 4 =
  29. 29.38 × 4 =
  30. 30.25 × 4 =
  31. 31.17 × 4 =
  32. 32.9 × 4 =
  33. 33.21 × 4 =
  34. 34.50 × 4 =
  35. 35.58 × 4 =
  36. 36.56 × 4 =
  37. 37.27 × 4 =
  38. 38.49 × 4 =
  39. 39.18 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 56
  2. 40
  3. 148
  4. 184
  5. 168
  6. 136
  7. 116
  8. 52
  9. 112
  10. 104
  11. 192
  12. 64
  13. 28
  14. 60
  15. 76
  16. 128
  17. 144
  18. 204
  19. 24
  20. 80
  21. 160
  22. 236
  23. 220
  24. 124
  25. 96
  26. 48
  27. 32
  28. 88
  29. 152
  30. 100
  31. 68
  32. 36
  33. 84
  34. 200
  35. 232
  36. 224
  37. 108
  38. 196
  39. 72
  40. 228

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