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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 126 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.27 × 4 =
  3. 3.26 × 4 =
  4. 4.54 × 4 =
  5. 5.29 × 4 =
  6. 6.13 × 4 =
  7. 7.55 × 4 =
  8. 8.39 × 4 =
  9. 9.42 × 4 =
  10. 10.12 × 4 =
  11. 11.8 × 4 =
  12. 12.57 × 4 =
  13. 13.49 × 4 =
  14. 14.47 × 4 =
  15. 15.43 × 4 =
  16. 16.44 × 4 =
  17. 17.17 × 4 =
  18. 18.30 × 4 =
  19. 19.38 × 4 =
  20. 20.20 × 4 =
  21. 21.60 × 4 =
  22. 22.25 × 4 =
  23. 23.14 × 4 =
  24. 24.53 × 4 =
  25. 25.50 × 4 =
  26. 26.32 × 4 =
  27. 27.21 × 4 =
  28. 28.11 × 4 =
  29. 29.6 × 4 =
  30. 30.52 × 4 =
  31. 31.45 × 4 =
  32. 32.34 × 4 =
  33. 33.41 × 4 =
  34. 34.46 × 4 =
  35. 35.9 × 4 =
  36. 36.15 × 4 =
  37. 37.31 × 4 =
  38. 38.19 × 4 =
  39. 39.7 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 64
  2. 108
  3. 104
  4. 216
  5. 116
  6. 52
  7. 220
  8. 156
  9. 168
  10. 48
  11. 32
  12. 228
  13. 196
  14. 188
  15. 172
  16. 176
  17. 68
  18. 120
  19. 152
  20. 80
  21. 240
  22. 100
  23. 56
  24. 212
  25. 200
  26. 128
  27. 84
  28. 44
  29. 24
  30. 208
  31. 180
  32. 136
  33. 164
  34. 184
  35. 36
  36. 60
  37. 124
  38. 76
  39. 28
  40. 132

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