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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 296 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.52 × 4 =
  3. 3.12 × 4 =
  4. 4.46 × 4 =
  5. 5.57 × 4 =
  6. 6.40 × 4 =
  7. 7.34 × 4 =
  8. 8.13 × 4 =
  9. 9.7 × 4 =
  10. 10.47 × 4 =
  11. 11.15 × 4 =
  12. 12.26 × 4 =
  13. 13.37 × 4 =
  14. 14.43 × 4 =
  15. 15.33 × 4 =
  16. 16.27 × 4 =
  17. 17.38 × 4 =
  18. 18.41 × 4 =
  19. 19.14 × 4 =
  20. 20.36 × 4 =
  21. 21.28 × 4 =
  22. 22.29 × 4 =
  23. 23.21 × 4 =
  24. 24.16 × 4 =
  25. 25.59 × 4 =
  26. 26.19 × 4 =
  27. 27.42 × 4 =
  28. 28.56 × 4 =
  29. 29.6 × 4 =
  30. 30.31 × 4 =
  31. 31.58 × 4 =
  32. 32.53 × 4 =
  33. 33.8 × 4 =
  34. 34.20 × 4 =
  35. 35.10 × 4 =
  36. 36.39 × 4 =
  37. 37.24 × 4 =
  38. 38.18 × 4 =
  39. 39.51 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 220
  2. 208
  3. 48
  4. 184
  5. 228
  6. 160
  7. 136
  8. 52
  9. 28
  10. 188
  11. 60
  12. 104
  13. 148
  14. 172
  15. 132
  16. 108
  17. 152
  18. 164
  19. 56
  20. 144
  21. 112
  22. 116
  23. 84
  24. 64
  25. 236
  26. 76
  27. 168
  28. 224
  29. 24
  30. 124
  31. 232
  32. 212
  33. 32
  34. 80
  35. 40
  36. 156
  37. 96
  38. 72
  39. 204
  40. 140

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