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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 407 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.59 × 4 =
  3. 3.26 × 4 =
  4. 4.58 × 4 =
  5. 5.24 × 4 =
  6. 6.30 × 4 =
  7. 7.29 × 4 =
  8. 8.43 × 4 =
  9. 9.10 × 4 =
  10. 10.23 × 4 =
  11. 11.11 × 4 =
  12. 12.15 × 4 =
  13. 13.46 × 4 =
  14. 14.37 × 4 =
  15. 15.17 × 4 =
  16. 16.49 × 4 =
  17. 17.48 × 4 =
  18. 18.39 × 4 =
  19. 19.9 × 4 =
  20. 20.52 × 4 =
  21. 21.21 × 4 =
  22. 22.16 × 4 =
  23. 23.41 × 4 =
  24. 24.53 × 4 =
  25. 25.18 × 4 =
  26. 26.7 × 4 =
  27. 27.36 × 4 =
  28. 28.20 × 4 =
  29. 29.40 × 4 =
  30. 30.50 × 4 =
  31. 31.47 × 4 =
  32. 32.19 × 4 =
  33. 33.55 × 4 =
  34. 34.34 × 4 =
  35. 35.38 × 4 =
  36. 36.35 × 4 =
  37. 37.57 × 4 =
  38. 38.27 × 4 =
  39. 39.8 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 100
  2. 236
  3. 104
  4. 232
  5. 96
  6. 120
  7. 116
  8. 172
  9. 40
  10. 92
  11. 44
  12. 60
  13. 184
  14. 148
  15. 68
  16. 196
  17. 192
  18. 156
  19. 36
  20. 208
  21. 84
  22. 64
  23. 164
  24. 212
  25. 72
  26. 28
  27. 144
  28. 80
  29. 160
  30. 200
  31. 188
  32. 76
  33. 220
  34. 136
  35. 152
  36. 140
  37. 228
  38. 108
  39. 32
  40. 52

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