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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 362 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.22 × 4 =
  2. 2.42 × 4 =
  3. 3.13 × 4 =
  4. 4.30 × 4 =
  5. 5.39 × 4 =
  6. 6.25 × 4 =
  7. 7.59 × 4 =
  8. 8.17 × 4 =
  9. 9.57 × 4 =
  10. 10.33 × 4 =
  11. 11.41 × 4 =
  12. 12.50 × 4 =
  13. 13.29 × 4 =
  14. 14.46 × 4 =
  15. 15.37 × 4 =
  16. 16.44 × 4 =
  17. 17.10 × 4 =
  18. 18.16 × 4 =
  19. 19.49 × 4 =
  20. 20.21 × 4 =
  21. 21.26 × 4 =
  22. 22.35 × 4 =
  23. 23.52 × 4 =
  24. 24.11 × 4 =
  25. 25.20 × 4 =
  26. 26.58 × 4 =
  27. 27.14 × 4 =
  28. 28.32 × 4 =
  29. 29.9 × 4 =
  30. 30.27 × 4 =
  31. 31.19 × 4 =
  32. 32.51 × 4 =
  33. 33.15 × 4 =
  34. 34.8 × 4 =
  35. 35.60 × 4 =
  36. 36.48 × 4 =
  37. 37.53 × 4 =
  38. 38.23 × 4 =
  39. 39.18 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 88
  2. 168
  3. 52
  4. 120
  5. 156
  6. 100
  7. 236
  8. 68
  9. 228
  10. 132
  11. 164
  12. 200
  13. 116
  14. 184
  15. 148
  16. 176
  17. 40
  18. 64
  19. 196
  20. 84
  21. 104
  22. 140
  23. 208
  24. 44
  25. 80
  26. 232
  27. 56
  28. 128
  29. 36
  30. 108
  31. 76
  32. 204
  33. 60
  34. 32
  35. 240
  36. 192
  37. 212
  38. 92
  39. 72
  40. 172

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