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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 595 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.40 × 4 =
  3. 3.26 × 4 =
  4. 4.39 × 4 =
  5. 5.36 × 4 =
  6. 6.37 × 4 =
  7. 7.21 × 4 =
  8. 8.29 × 4 =
  9. 9.24 × 4 =
  10. 10.58 × 4 =
  11. 11.23 × 4 =
  12. 12.50 × 4 =
  13. 13.6 × 4 =
  14. 14.51 × 4 =
  15. 15.53 × 4 =
  16. 16.41 × 4 =
  17. 17.31 × 4 =
  18. 18.57 × 4 =
  19. 19.34 × 4 =
  20. 20.43 × 4 =
  21. 21.19 × 4 =
  22. 22.28 × 4 =
  23. 23.16 × 4 =
  24. 24.49 × 4 =
  25. 25.9 × 4 =
  26. 26.20 × 4 =
  27. 27.15 × 4 =
  28. 28.17 × 4 =
  29. 29.55 × 4 =
  30. 30.38 × 4 =
  31. 31.30 × 4 =
  32. 32.12 × 4 =
  33. 33.54 × 4 =
  34. 34.10 × 4 =
  35. 35.13 × 4 =
  36. 36.14 × 4 =
  37. 37.45 × 4 =
  38. 38.8 × 4 =
  39. 39.44 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 100
  2. 160
  3. 104
  4. 156
  5. 144
  6. 148
  7. 84
  8. 116
  9. 96
  10. 232
  11. 92
  12. 200
  13. 24
  14. 204
  15. 212
  16. 164
  17. 124
  18. 228
  19. 136
  20. 172
  21. 76
  22. 112
  23. 64
  24. 196
  25. 36
  26. 80
  27. 60
  28. 68
  29. 220
  30. 152
  31. 120
  32. 48
  33. 216
  34. 40
  35. 52
  36. 56
  37. 180
  38. 32
  39. 176
  40. 28

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