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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 37 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.10 × 4 =
  3. 3.14 × 4 =
  4. 4.16 × 4 =
  5. 5.17 × 4 =
  6. 6.37 × 4 =
  7. 7.59 × 4 =
  8. 8.43 × 4 =
  9. 9.34 × 4 =
  10. 10.36 × 4 =
  11. 11.38 × 4 =
  12. 12.8 × 4 =
  13. 13.48 × 4 =
  14. 14.49 × 4 =
  15. 15.51 × 4 =
  16. 16.22 × 4 =
  17. 17.21 × 4 =
  18. 18.6 × 4 =
  19. 19.60 × 4 =
  20. 20.25 × 4 =
  21. 21.57 × 4 =
  22. 22.35 × 4 =
  23. 23.32 × 4 =
  24. 24.28 × 4 =
  25. 25.44 × 4 =
  26. 26.31 × 4 =
  27. 27.27 × 4 =
  28. 28.24 × 4 =
  29. 29.26 × 4 =
  30. 30.13 × 4 =
  31. 31.41 × 4 =
  32. 32.46 × 4 =
  33. 33.9 × 4 =
  34. 34.50 × 4 =
  35. 35.33 × 4 =
  36. 36.47 × 4 =
  37. 37.30 × 4 =
  38. 38.11 × 4 =
  39. 39.15 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 212
  2. 40
  3. 56
  4. 64
  5. 68
  6. 148
  7. 236
  8. 172
  9. 136
  10. 144
  11. 152
  12. 32
  13. 192
  14. 196
  15. 204
  16. 88
  17. 84
  18. 24
  19. 240
  20. 100
  21. 228
  22. 140
  23. 128
  24. 112
  25. 176
  26. 124
  27. 108
  28. 96
  29. 104
  30. 52
  31. 164
  32. 184
  33. 36
  34. 200
  35. 132
  36. 188
  37. 120
  38. 44
  39. 60
  40. 168

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