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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 819 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.55 × 4 =
  3. 3.42 × 4 =
  4. 4.13 × 4 =
  5. 5.44 × 4 =
  6. 6.53 × 4 =
  7. 7.31 × 4 =
  8. 8.38 × 4 =
  9. 9.43 × 4 =
  10. 10.30 × 4 =
  11. 11.18 × 4 =
  12. 12.45 × 4 =
  13. 13.12 × 4 =
  14. 14.50 × 4 =
  15. 15.27 × 4 =
  16. 16.48 × 4 =
  17. 17.9 × 4 =
  18. 18.20 × 4 =
  19. 19.16 × 4 =
  20. 20.19 × 4 =
  21. 21.49 × 4 =
  22. 22.32 × 4 =
  23. 23.28 × 4 =
  24. 24.35 × 4 =
  25. 25.22 × 4 =
  26. 26.6 × 4 =
  27. 27.47 × 4 =
  28. 28.21 × 4 =
  29. 29.37 × 4 =
  30. 30.11 × 4 =
  31. 31.41 × 4 =
  32. 32.24 × 4 =
  33. 33.56 × 4 =
  34. 34.34 × 4 =
  35. 35.60 × 4 =
  36. 36.8 × 4 =
  37. 37.10 × 4 =
  38. 38.15 × 4 =
  39. 39.29 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 56
  2. 220
  3. 168
  4. 52
  5. 176
  6. 212
  7. 124
  8. 152
  9. 172
  10. 120
  11. 72
  12. 180
  13. 48
  14. 200
  15. 108
  16. 192
  17. 36
  18. 80
  19. 64
  20. 76
  21. 196
  22. 128
  23. 112
  24. 140
  25. 88
  26. 24
  27. 188
  28. 84
  29. 148
  30. 44
  31. 164
  32. 96
  33. 224
  34. 136
  35. 240
  36. 32
  37. 40
  38. 60
  39. 116
  40. 236

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