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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 57 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.58 × 4 =
  2. 2.9 × 4 =
  3. 3.11 × 4 =
  4. 4.16 × 4 =
  5. 5.41 × 4 =
  6. 6.52 × 4 =
  7. 7.37 × 4 =
  8. 8.48 × 4 =
  9. 9.55 × 4 =
  10. 10.33 × 4 =
  11. 11.20 × 4 =
  12. 12.7 × 4 =
  13. 13.19 × 4 =
  14. 14.35 × 4 =
  15. 15.12 × 4 =
  16. 16.45 × 4 =
  17. 17.47 × 4 =
  18. 18.8 × 4 =
  19. 19.21 × 4 =
  20. 20.24 × 4 =
  21. 21.42 × 4 =
  22. 22.22 × 4 =
  23. 23.13 × 4 =
  24. 24.26 × 4 =
  25. 25.32 × 4 =
  26. 26.6 × 4 =
  27. 27.39 × 4 =
  28. 28.27 × 4 =
  29. 29.10 × 4 =
  30. 30.25 × 4 =
  31. 31.44 × 4 =
  32. 32.36 × 4 =
  33. 33.54 × 4 =
  34. 34.56 × 4 =
  35. 35.50 × 4 =
  36. 36.15 × 4 =
  37. 37.38 × 4 =
  38. 38.49 × 4 =
  39. 39.30 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 232
  2. 36
  3. 44
  4. 64
  5. 164
  6. 208
  7. 148
  8. 192
  9. 220
  10. 132
  11. 80
  12. 28
  13. 76
  14. 140
  15. 48
  16. 180
  17. 188
  18. 32
  19. 84
  20. 96
  21. 168
  22. 88
  23. 52
  24. 104
  25. 128
  26. 24
  27. 156
  28. 108
  29. 40
  30. 100
  31. 176
  32. 144
  33. 216
  34. 224
  35. 200
  36. 60
  37. 152
  38. 196
  39. 120
  40. 92

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