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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 509 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.29 × 4 =
  3. 3.46 × 4 =
  4. 4.13 × 4 =
  5. 5.24 × 4 =
  6. 6.9 × 4 =
  7. 7.17 × 4 =
  8. 8.27 × 4 =
  9. 9.10 × 4 =
  10. 10.58 × 4 =
  11. 11.35 × 4 =
  12. 12.55 × 4 =
  13. 13.32 × 4 =
  14. 14.53 × 4 =
  15. 15.47 × 4 =
  16. 16.52 × 4 =
  17. 17.37 × 4 =
  18. 18.49 × 4 =
  19. 19.25 × 4 =
  20. 20.15 × 4 =
  21. 21.45 × 4 =
  22. 22.28 × 4 =
  23. 23.22 × 4 =
  24. 24.41 × 4 =
  25. 25.56 × 4 =
  26. 26.12 × 4 =
  27. 27.16 × 4 =
  28. 28.14 × 4 =
  29. 29.42 × 4 =
  30. 30.54 × 4 =
  31. 31.43 × 4 =
  32. 32.31 × 4 =
  33. 33.38 × 4 =
  34. 34.11 × 4 =
  35. 35.48 × 4 =
  36. 36.18 × 4 =
  37. 37.33 × 4 =
  38. 38.44 × 4 =
  39. 39.26 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 24
  2. 116
  3. 184
  4. 52
  5. 96
  6. 36
  7. 68
  8. 108
  9. 40
  10. 232
  11. 140
  12. 220
  13. 128
  14. 212
  15. 188
  16. 208
  17. 148
  18. 196
  19. 100
  20. 60
  21. 180
  22. 112
  23. 88
  24. 164
  25. 224
  26. 48
  27. 64
  28. 56
  29. 168
  30. 216
  31. 172
  32. 124
  33. 152
  34. 44
  35. 192
  36. 72
  37. 132
  38. 176
  39. 104
  40. 144

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