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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 613 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.24 × 4 =
  2. 2.57 × 4 =
  3. 3.28 × 4 =
  4. 4.7 × 4 =
  5. 5.56 × 4 =
  6. 6.50 × 4 =
  7. 7.18 × 4 =
  8. 8.54 × 4 =
  9. 9.47 × 4 =
  10. 10.12 × 4 =
  11. 11.31 × 4 =
  12. 12.53 × 4 =
  13. 13.25 × 4 =
  14. 14.35 × 4 =
  15. 15.42 × 4 =
  16. 16.8 × 4 =
  17. 17.16 × 4 =
  18. 18.55 × 4 =
  19. 19.36 × 4 =
  20. 20.11 × 4 =
  21. 21.39 × 4 =
  22. 22.45 × 4 =
  23. 23.52 × 4 =
  24. 24.40 × 4 =
  25. 25.23 × 4 =
  26. 26.37 × 4 =
  27. 27.33 × 4 =
  28. 28.41 × 4 =
  29. 29.19 × 4 =
  30. 30.29 × 4 =
  31. 31.27 × 4 =
  32. 32.13 × 4 =
  33. 33.34 × 4 =
  34. 34.44 × 4 =
  35. 35.10 × 4 =
  36. 36.32 × 4 =
  37. 37.51 × 4 =
  38. 38.6 × 4 =
  39. 39.20 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 96
  2. 228
  3. 112
  4. 28
  5. 224
  6. 200
  7. 72
  8. 216
  9. 188
  10. 48
  11. 124
  12. 212
  13. 100
  14. 140
  15. 168
  16. 32
  17. 64
  18. 220
  19. 144
  20. 44
  21. 156
  22. 180
  23. 208
  24. 160
  25. 92
  26. 148
  27. 132
  28. 164
  29. 76
  30. 116
  31. 108
  32. 52
  33. 136
  34. 176
  35. 40
  36. 128
  37. 204
  38. 24
  39. 80
  40. 152

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