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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 624 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.39 × 4 =
  2. 2.49 × 4 =
  3. 3.15 × 4 =
  4. 4.27 × 4 =
  5. 5.25 × 4 =
  6. 6.42 × 4 =
  7. 7.41 × 4 =
  8. 8.24 × 4 =
  9. 9.21 × 4 =
  10. 10.45 × 4 =
  11. 11.23 × 4 =
  12. 12.43 × 4 =
  13. 13.20 × 4 =
  14. 14.12 × 4 =
  15. 15.36 × 4 =
  16. 16.46 × 4 =
  17. 17.48 × 4 =
  18. 18.19 × 4 =
  19. 19.34 × 4 =
  20. 20.60 × 4 =
  21. 21.29 × 4 =
  22. 22.55 × 4 =
  23. 23.54 × 4 =
  24. 24.18 × 4 =
  25. 25.50 × 4 =
  26. 26.28 × 4 =
  27. 27.9 × 4 =
  28. 28.33 × 4 =
  29. 29.59 × 4 =
  30. 30.58 × 4 =
  31. 31.37 × 4 =
  32. 32.13 × 4 =
  33. 33.57 × 4 =
  34. 34.22 × 4 =
  35. 35.26 × 4 =
  36. 36.52 × 4 =
  37. 37.7 × 4 =
  38. 38.17 × 4 =
  39. 39.6 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 156
  2. 196
  3. 60
  4. 108
  5. 100
  6. 168
  7. 164
  8. 96
  9. 84
  10. 180
  11. 92
  12. 172
  13. 80
  14. 48
  15. 144
  16. 184
  17. 192
  18. 76
  19. 136
  20. 240
  21. 116
  22. 220
  23. 216
  24. 72
  25. 200
  26. 112
  27. 36
  28. 132
  29. 236
  30. 232
  31. 148
  32. 52
  33. 228
  34. 88
  35. 104
  36. 208
  37. 28
  38. 68
  39. 24
  40. 44

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