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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 132 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.33 × 4 =
  2. 2.58 × 4 =
  3. 3.41 × 4 =
  4. 4.20 × 4 =
  5. 5.31 × 4 =
  6. 6.45 × 4 =
  7. 7.24 × 4 =
  8. 8.19 × 4 =
  9. 9.53 × 4 =
  10. 10.17 × 4 =
  11. 11.25 × 4 =
  12. 12.56 × 4 =
  13. 13.44 × 4 =
  14. 14.48 × 4 =
  15. 15.51 × 4 =
  16. 16.60 × 4 =
  17. 17.32 × 4 =
  18. 18.30 × 4 =
  19. 19.52 × 4 =
  20. 20.46 × 4 =
  21. 21.36 × 4 =
  22. 22.14 × 4 =
  23. 23.40 × 4 =
  24. 24.27 × 4 =
  25. 25.7 × 4 =
  26. 26.12 × 4 =
  27. 27.55 × 4 =
  28. 28.42 × 4 =
  29. 29.50 × 4 =
  30. 30.21 × 4 =
  31. 31.8 × 4 =
  32. 32.10 × 4 =
  33. 33.22 × 4 =
  34. 34.34 × 4 =
  35. 35.29 × 4 =
  36. 36.11 × 4 =
  37. 37.9 × 4 =
  38. 38.39 × 4 =
  39. 39.47 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 132
  2. 232
  3. 164
  4. 80
  5. 124
  6. 180
  7. 96
  8. 76
  9. 212
  10. 68
  11. 100
  12. 224
  13. 176
  14. 192
  15. 204
  16. 240
  17. 128
  18. 120
  19. 208
  20. 184
  21. 144
  22. 56
  23. 160
  24. 108
  25. 28
  26. 48
  27. 220
  28. 168
  29. 200
  30. 84
  31. 32
  32. 40
  33. 88
  34. 136
  35. 116
  36. 44
  37. 36
  38. 156
  39. 188
  40. 172

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