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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 104 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.29 × 4 =
  2. 2.58 × 4 =
  3. 3.43 × 4 =
  4. 4.37 × 4 =
  5. 5.57 × 4 =
  6. 6.12 × 4 =
  7. 7.40 × 4 =
  8. 8.15 × 4 =
  9. 9.42 × 4 =
  10. 10.56 × 4 =
  11. 11.21 × 4 =
  12. 12.30 × 4 =
  13. 13.38 × 4 =
  14. 14.6 × 4 =
  15. 15.25 × 4 =
  16. 16.14 × 4 =
  17. 17.20 × 4 =
  18. 18.47 × 4 =
  19. 19.35 × 4 =
  20. 20.39 × 4 =
  21. 21.52 × 4 =
  22. 22.7 × 4 =
  23. 23.51 × 4 =
  24. 24.36 × 4 =
  25. 25.55 × 4 =
  26. 26.17 × 4 =
  27. 27.34 × 4 =
  28. 28.13 × 4 =
  29. 29.9 × 4 =
  30. 30.33 × 4 =
  31. 31.10 × 4 =
  32. 32.26 × 4 =
  33. 33.24 × 4 =
  34. 34.45 × 4 =
  35. 35.49 × 4 =
  36. 36.46 × 4 =
  37. 37.16 × 4 =
  38. 38.53 × 4 =
  39. 39.18 × 4 =
  40. 40.19 × 4 =

Answer key

  1. 116
  2. 232
  3. 172
  4. 148
  5. 228
  6. 48
  7. 160
  8. 60
  9. 168
  10. 224
  11. 84
  12. 120
  13. 152
  14. 24
  15. 100
  16. 56
  17. 80
  18. 188
  19. 140
  20. 156
  21. 208
  22. 28
  23. 204
  24. 144
  25. 220
  26. 68
  27. 136
  28. 52
  29. 36
  30. 132
  31. 40
  32. 104
  33. 96
  34. 180
  35. 196
  36. 184
  37. 64
  38. 212
  39. 72
  40. 76

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