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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 393 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.15 × 4 =
  3. 3.11 × 4 =
  4. 4.43 × 4 =
  5. 5.56 × 4 =
  6. 6.12 × 4 =
  7. 7.32 × 4 =
  8. 8.13 × 4 =
  9. 9.40 × 4 =
  10. 10.10 × 4 =
  11. 11.34 × 4 =
  12. 12.58 × 4 =
  13. 13.50 × 4 =
  14. 14.6 × 4 =
  15. 15.41 × 4 =
  16. 16.47 × 4 =
  17. 17.59 × 4 =
  18. 18.48 × 4 =
  19. 19.9 × 4 =
  20. 20.53 × 4 =
  21. 21.14 × 4 =
  22. 22.46 × 4 =
  23. 23.24 × 4 =
  24. 24.25 × 4 =
  25. 25.30 × 4 =
  26. 26.45 × 4 =
  27. 27.37 × 4 =
  28. 28.51 × 4 =
  29. 29.33 × 4 =
  30. 30.26 × 4 =
  31. 31.60 × 4 =
  32. 32.27 × 4 =
  33. 33.54 × 4 =
  34. 34.55 × 4 =
  35. 35.38 × 4 =
  36. 36.36 × 4 =
  37. 37.52 × 4 =
  38. 38.20 × 4 =
  39. 39.17 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 72
  2. 60
  3. 44
  4. 172
  5. 224
  6. 48
  7. 128
  8. 52
  9. 160
  10. 40
  11. 136
  12. 232
  13. 200
  14. 24
  15. 164
  16. 188
  17. 236
  18. 192
  19. 36
  20. 212
  21. 56
  22. 184
  23. 96
  24. 100
  25. 120
  26. 180
  27. 148
  28. 204
  29. 132
  30. 104
  31. 240
  32. 108
  33. 216
  34. 220
  35. 152
  36. 144
  37. 208
  38. 80
  39. 68
  40. 124

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