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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 257 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.29 × 4 =
  2. 2.51 × 4 =
  3. 3.28 × 4 =
  4. 4.26 × 4 =
  5. 5.23 × 4 =
  6. 6.21 × 4 =
  7. 7.38 × 4 =
  8. 8.54 × 4 =
  9. 9.36 × 4 =
  10. 10.14 × 4 =
  11. 11.33 × 4 =
  12. 12.44 × 4 =
  13. 13.43 × 4 =
  14. 14.41 × 4 =
  15. 15.27 × 4 =
  16. 16.9 × 4 =
  17. 17.12 × 4 =
  18. 18.19 × 4 =
  19. 19.32 × 4 =
  20. 20.53 × 4 =
  21. 21.48 × 4 =
  22. 22.60 × 4 =
  23. 23.45 × 4 =
  24. 24.24 × 4 =
  25. 25.46 × 4 =
  26. 26.31 × 4 =
  27. 27.11 × 4 =
  28. 28.56 × 4 =
  29. 29.20 × 4 =
  30. 30.25 × 4 =
  31. 31.13 × 4 =
  32. 32.59 × 4 =
  33. 33.52 × 4 =
  34. 34.49 × 4 =
  35. 35.39 × 4 =
  36. 36.37 × 4 =
  37. 37.30 × 4 =
  38. 38.57 × 4 =
  39. 39.16 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 116
  2. 204
  3. 112
  4. 104
  5. 92
  6. 84
  7. 152
  8. 216
  9. 144
  10. 56
  11. 132
  12. 176
  13. 172
  14. 164
  15. 108
  16. 36
  17. 48
  18. 76
  19. 128
  20. 212
  21. 192
  22. 240
  23. 180
  24. 96
  25. 184
  26. 124
  27. 44
  28. 224
  29. 80
  30. 100
  31. 52
  32. 236
  33. 208
  34. 196
  35. 156
  36. 148
  37. 120
  38. 228
  39. 64
  40. 28

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