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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 365 · 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. 2.51 × 4 =
  3. 3.9 × 4 =
  4. 4.54 × 4 =
  5. 5.46 × 4 =
  6. 6.13 × 4 =
  7. 7.20 × 4 =
  8. 8.41 × 4 =
  9. 9.17 × 4 =
  10. 10.11 × 4 =
  11. 11.34 × 4 =
  12. 12.53 × 4 =
  13. 13.21 × 4 =
  14. 14.25 × 4 =
  15. 15.38 × 4 =
  16. 16.39 × 4 =
  17. 17.32 × 4 =
  18. 18.49 × 4 =
  19. 19.30 × 4 =
  20. 20.42 × 4 =
  21. 21.12 × 4 =
  22. 22.8 × 4 =
  23. 23.57 × 4 =
  24. 24.52 × 4 =
  25. 25.44 × 4 =
  26. 26.50 × 4 =
  27. 27.43 × 4 =
  28. 28.27 × 4 =
  29. 29.7 × 4 =
  30. 30.33 × 4 =
  31. 31.48 × 4 =
  32. 32.59 × 4 =
  33. 33.36 × 4 =
  34. 34.6 × 4 =
  35. 35.37 × 4 =
  36. 36.56 × 4 =
  37. 37.60 × 4 =
  38. 38.10 × 4 =
  39. 39.58 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 56
  2. 204
  3. 36
  4. 216
  5. 184
  6. 52
  7. 80
  8. 164
  9. 68
  10. 44
  11. 136
  12. 212
  13. 84
  14. 100
  15. 152
  16. 156
  17. 128
  18. 196
  19. 120
  20. 168
  21. 48
  22. 32
  23. 228
  24. 208
  25. 176
  26. 200
  27. 172
  28. 108
  29. 28
  30. 132
  31. 192
  32. 236
  33. 144
  34. 24
  35. 148
  36. 224
  37. 240
  38. 40
  39. 232
  40. 96

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