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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 143 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.55 × 4 =
  3. 3.26 × 4 =
  4. 4.38 × 4 =
  5. 5.12 × 4 =
  6. 6.54 × 4 =
  7. 7.37 × 4 =
  8. 8.47 × 4 =
  9. 9.11 × 4 =
  10. 10.19 × 4 =
  11. 11.46 × 4 =
  12. 12.21 × 4 =
  13. 13.9 × 4 =
  14. 14.39 × 4 =
  15. 15.45 × 4 =
  16. 16.33 × 4 =
  17. 17.44 × 4 =
  18. 18.8 × 4 =
  19. 19.10 × 4 =
  20. 20.6 × 4 =
  21. 21.22 × 4 =
  22. 22.40 × 4 =
  23. 23.16 × 4 =
  24. 24.13 × 4 =
  25. 25.20 × 4 =
  26. 26.7 × 4 =
  27. 27.51 × 4 =
  28. 28.17 × 4 =
  29. 29.50 × 4 =
  30. 30.23 × 4 =
  31. 31.58 × 4 =
  32. 32.34 × 4 =
  33. 33.14 × 4 =
  34. 34.57 × 4 =
  35. 35.52 × 4 =
  36. 36.18 × 4 =
  37. 37.35 × 4 =
  38. 38.28 × 4 =
  39. 39.30 × 4 =
  40. 40.29 × 4 =

Answer key

  1. 124
  2. 220
  3. 104
  4. 152
  5. 48
  6. 216
  7. 148
  8. 188
  9. 44
  10. 76
  11. 184
  12. 84
  13. 36
  14. 156
  15. 180
  16. 132
  17. 176
  18. 32
  19. 40
  20. 24
  21. 88
  22. 160
  23. 64
  24. 52
  25. 80
  26. 28
  27. 204
  28. 68
  29. 200
  30. 92
  31. 232
  32. 136
  33. 56
  34. 228
  35. 208
  36. 72
  37. 140
  38. 112
  39. 120
  40. 116

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