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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 212 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.32 × 4 =
  3. 3.10 × 4 =
  4. 4.54 × 4 =
  5. 5.30 × 4 =
  6. 6.18 × 4 =
  7. 7.55 × 4 =
  8. 8.28 × 4 =
  9. 9.42 × 4 =
  10. 10.31 × 4 =
  11. 11.46 × 4 =
  12. 12.16 × 4 =
  13. 13.35 × 4 =
  14. 14.13 × 4 =
  15. 15.29 × 4 =
  16. 16.39 × 4 =
  17. 17.22 × 4 =
  18. 18.41 × 4 =
  19. 19.51 × 4 =
  20. 20.21 × 4 =
  21. 21.37 × 4 =
  22. 22.17 × 4 =
  23. 23.9 × 4 =
  24. 24.36 × 4 =
  25. 25.47 × 4 =
  26. 26.27 × 4 =
  27. 27.12 × 4 =
  28. 28.57 × 4 =
  29. 29.45 × 4 =
  30. 30.58 × 4 =
  31. 31.59 × 4 =
  32. 32.8 × 4 =
  33. 33.44 × 4 =
  34. 34.26 × 4 =
  35. 35.20 × 4 =
  36. 36.15 × 4 =
  37. 37.7 × 4 =
  38. 38.23 × 4 =
  39. 39.50 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 44
  2. 128
  3. 40
  4. 216
  5. 120
  6. 72
  7. 220
  8. 112
  9. 168
  10. 124
  11. 184
  12. 64
  13. 140
  14. 52
  15. 116
  16. 156
  17. 88
  18. 164
  19. 204
  20. 84
  21. 148
  22. 68
  23. 36
  24. 144
  25. 188
  26. 108
  27. 48
  28. 228
  29. 180
  30. 232
  31. 236
  32. 32
  33. 176
  34. 104
  35. 80
  36. 60
  37. 28
  38. 92
  39. 200
  40. 132

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