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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 313 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.27 × 4 =
  2. 2.14 × 4 =
  3. 3.36 × 4 =
  4. 4.28 × 4 =
  5. 5.12 × 4 =
  6. 6.57 × 4 =
  7. 7.56 × 4 =
  8. 8.7 × 4 =
  9. 9.11 × 4 =
  10. 10.21 × 4 =
  11. 11.53 × 4 =
  12. 12.8 × 4 =
  13. 13.9 × 4 =
  14. 14.30 × 4 =
  15. 15.25 × 4 =
  16. 16.18 × 4 =
  17. 17.59 × 4 =
  18. 18.22 × 4 =
  19. 19.32 × 4 =
  20. 20.29 × 4 =
  21. 21.23 × 4 =
  22. 22.20 × 4 =
  23. 23.33 × 4 =
  24. 24.37 × 4 =
  25. 25.51 × 4 =
  26. 26.47 × 4 =
  27. 27.34 × 4 =
  28. 28.16 × 4 =
  29. 29.54 × 4 =
  30. 30.50 × 4 =
  31. 31.19 × 4 =
  32. 32.38 × 4 =
  33. 33.58 × 4 =
  34. 34.48 × 4 =
  35. 35.46 × 4 =
  36. 36.49 × 4 =
  37. 37.40 × 4 =
  38. 38.43 × 4 =
  39. 39.41 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 108
  2. 56
  3. 144
  4. 112
  5. 48
  6. 228
  7. 224
  8. 28
  9. 44
  10. 84
  11. 212
  12. 32
  13. 36
  14. 120
  15. 100
  16. 72
  17. 236
  18. 88
  19. 128
  20. 116
  21. 92
  22. 80
  23. 132
  24. 148
  25. 204
  26. 188
  27. 136
  28. 64
  29. 216
  30. 200
  31. 76
  32. 152
  33. 232
  34. 192
  35. 184
  36. 196
  37. 160
  38. 172
  39. 164
  40. 24

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