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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 481 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.7 × 4 =
  3. 3.29 × 4 =
  4. 4.53 × 4 =
  5. 5.23 × 4 =
  6. 6.10 × 4 =
  7. 7.51 × 4 =
  8. 8.56 × 4 =
  9. 9.14 × 4 =
  10. 10.41 × 4 =
  11. 11.21 × 4 =
  12. 12.54 × 4 =
  13. 13.27 × 4 =
  14. 14.35 × 4 =
  15. 15.36 × 4 =
  16. 16.58 × 4 =
  17. 17.25 × 4 =
  18. 18.48 × 4 =
  19. 19.38 × 4 =
  20. 20.49 × 4 =
  21. 21.16 × 4 =
  22. 22.8 × 4 =
  23. 23.50 × 4 =
  24. 24.57 × 4 =
  25. 25.42 × 4 =
  26. 26.26 × 4 =
  27. 27.31 × 4 =
  28. 28.9 × 4 =
  29. 29.47 × 4 =
  30. 30.15 × 4 =
  31. 31.40 × 4 =
  32. 32.34 × 4 =
  33. 33.11 × 4 =
  34. 34.30 × 4 =
  35. 35.13 × 4 =
  36. 36.33 × 4 =
  37. 37.55 × 4 =
  38. 38.18 × 4 =
  39. 39.32 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 68
  2. 28
  3. 116
  4. 212
  5. 92
  6. 40
  7. 204
  8. 224
  9. 56
  10. 164
  11. 84
  12. 216
  13. 108
  14. 140
  15. 144
  16. 232
  17. 100
  18. 192
  19. 152
  20. 196
  21. 64
  22. 32
  23. 200
  24. 228
  25. 168
  26. 104
  27. 124
  28. 36
  29. 188
  30. 60
  31. 160
  32. 136
  33. 44
  34. 120
  35. 52
  36. 132
  37. 220
  38. 72
  39. 128
  40. 236

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