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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 125 · 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. 2.42 × 4 =
  3. 3.49 × 4 =
  4. 4.51 × 4 =
  5. 5.7 × 4 =
  6. 6.27 × 4 =
  7. 7.58 × 4 =
  8. 8.11 × 4 =
  9. 9.20 × 4 =
  10. 10.53 × 4 =
  11. 11.54 × 4 =
  12. 12.40 × 4 =
  13. 13.45 × 4 =
  14. 14.50 × 4 =
  15. 15.9 × 4 =
  16. 16.47 × 4 =
  17. 17.36 × 4 =
  18. 18.46 × 4 =
  19. 19.44 × 4 =
  20. 20.33 × 4 =
  21. 21.41 × 4 =
  22. 22.52 × 4 =
  23. 23.28 × 4 =
  24. 24.18 × 4 =
  25. 25.21 × 4 =
  26. 26.10 × 4 =
  27. 27.25 × 4 =
  28. 28.23 × 4 =
  29. 29.39 × 4 =
  30. 30.8 × 4 =
  31. 31.19 × 4 =
  32. 32.35 × 4 =
  33. 33.26 × 4 =
  34. 34.59 × 4 =
  35. 35.6 × 4 =
  36. 36.31 × 4 =
  37. 37.17 × 4 =
  38. 38.12 × 4 =
  39. 39.57 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 96
  2. 168
  3. 196
  4. 204
  5. 28
  6. 108
  7. 232
  8. 44
  9. 80
  10. 212
  11. 216
  12. 160
  13. 180
  14. 200
  15. 36
  16. 188
  17. 144
  18. 184
  19. 176
  20. 132
  21. 164
  22. 208
  23. 112
  24. 72
  25. 84
  26. 40
  27. 100
  28. 92
  29. 156
  30. 32
  31. 76
  32. 140
  33. 104
  34. 236
  35. 24
  36. 124
  37. 68
  38. 48
  39. 228
  40. 60

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