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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 292 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.40 × 4 =
  3. 3.14 × 4 =
  4. 4.45 × 4 =
  5. 5.39 × 4 =
  6. 6.55 × 4 =
  7. 7.6 × 4 =
  8. 8.24 × 4 =
  9. 9.31 × 4 =
  10. 10.11 × 4 =
  11. 11.13 × 4 =
  12. 12.29 × 4 =
  13. 13.22 × 4 =
  14. 14.21 × 4 =
  15. 15.51 × 4 =
  16. 16.16 × 4 =
  17. 17.32 × 4 =
  18. 18.34 × 4 =
  19. 19.19 × 4 =
  20. 20.52 × 4 =
  21. 21.49 × 4 =
  22. 22.35 × 4 =
  23. 23.44 × 4 =
  24. 24.9 × 4 =
  25. 25.27 × 4 =
  26. 26.42 × 4 =
  27. 27.57 × 4 =
  28. 28.15 × 4 =
  29. 29.46 × 4 =
  30. 30.8 × 4 =
  31. 31.26 × 4 =
  32. 32.7 × 4 =
  33. 33.38 × 4 =
  34. 34.50 × 4 =
  35. 35.18 × 4 =
  36. 36.17 × 4 =
  37. 37.41 × 4 =
  38. 38.37 × 4 =
  39. 39.54 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 100
  2. 160
  3. 56
  4. 180
  5. 156
  6. 220
  7. 24
  8. 96
  9. 124
  10. 44
  11. 52
  12. 116
  13. 88
  14. 84
  15. 204
  16. 64
  17. 128
  18. 136
  19. 76
  20. 208
  21. 196
  22. 140
  23. 176
  24. 36
  25. 108
  26. 168
  27. 228
  28. 60
  29. 184
  30. 32
  31. 104
  32. 28
  33. 152
  34. 200
  35. 72
  36. 68
  37. 164
  38. 148
  39. 216
  40. 188

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