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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 574 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.26 × 4 =
  2. 2.25 × 4 =
  3. 3.8 × 4 =
  4. 4.39 × 4 =
  5. 5.22 × 4 =
  6. 6.47 × 4 =
  7. 7.31 × 4 =
  8. 8.19 × 4 =
  9. 9.23 × 4 =
  10. 10.58 × 4 =
  11. 11.49 × 4 =
  12. 12.10 × 4 =
  13. 13.14 × 4 =
  14. 14.48 × 4 =
  15. 15.35 × 4 =
  16. 16.12 × 4 =
  17. 17.33 × 4 =
  18. 18.21 × 4 =
  19. 19.29 × 4 =
  20. 20.53 × 4 =
  21. 21.9 × 4 =
  22. 22.36 × 4 =
  23. 23.13 × 4 =
  24. 24.15 × 4 =
  25. 25.32 × 4 =
  26. 26.30 × 4 =
  27. 27.44 × 4 =
  28. 28.37 × 4 =
  29. 29.38 × 4 =
  30. 30.51 × 4 =
  31. 31.6 × 4 =
  32. 32.55 × 4 =
  33. 33.45 × 4 =
  34. 34.43 × 4 =
  35. 35.56 × 4 =
  36. 36.28 × 4 =
  37. 37.27 × 4 =
  38. 38.7 × 4 =
  39. 39.52 × 4 =
  40. 40.41 × 4 =

Answer key

  1. 104
  2. 100
  3. 32
  4. 156
  5. 88
  6. 188
  7. 124
  8. 76
  9. 92
  10. 232
  11. 196
  12. 40
  13. 56
  14. 192
  15. 140
  16. 48
  17. 132
  18. 84
  19. 116
  20. 212
  21. 36
  22. 144
  23. 52
  24. 60
  25. 128
  26. 120
  27. 176
  28. 148
  29. 152
  30. 204
  31. 24
  32. 220
  33. 180
  34. 172
  35. 224
  36. 112
  37. 108
  38. 28
  39. 208
  40. 164

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