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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 702 · 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. 2.20 × 4 =
  3. 3.29 × 4 =
  4. 4.8 × 4 =
  5. 5.17 × 4 =
  6. 6.26 × 4 =
  7. 7.19 × 4 =
  8. 8.48 × 4 =
  9. 9.58 × 4 =
  10. 10.13 × 4 =
  11. 11.30 × 4 =
  12. 12.36 × 4 =
  13. 13.31 × 4 =
  14. 14.15 × 4 =
  15. 15.47 × 4 =
  16. 16.10 × 4 =
  17. 17.34 × 4 =
  18. 18.52 × 4 =
  19. 19.57 × 4 =
  20. 20.54 × 4 =
  21. 21.24 × 4 =
  22. 22.39 × 4 =
  23. 23.41 × 4 =
  24. 24.32 × 4 =
  25. 25.59 × 4 =
  26. 26.40 × 4 =
  27. 27.9 × 4 =
  28. 28.27 × 4 =
  29. 29.45 × 4 =
  30. 30.12 × 4 =
  31. 31.50 × 4 =
  32. 32.42 × 4 =
  33. 33.53 × 4 =
  34. 34.25 × 4 =
  35. 35.46 × 4 =
  36. 36.22 × 4 =
  37. 37.18 × 4 =
  38. 38.21 × 4 =
  39. 39.37 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 44
  2. 80
  3. 116
  4. 32
  5. 68
  6. 104
  7. 76
  8. 192
  9. 232
  10. 52
  11. 120
  12. 144
  13. 124
  14. 60
  15. 188
  16. 40
  17. 136
  18. 208
  19. 228
  20. 216
  21. 96
  22. 156
  23. 164
  24. 128
  25. 236
  26. 160
  27. 36
  28. 108
  29. 180
  30. 48
  31. 200
  32. 168
  33. 212
  34. 100
  35. 184
  36. 88
  37. 72
  38. 84
  39. 148
  40. 92

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