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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 404 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.18 × 4 =
  3. 3.31 × 4 =
  4. 4.36 × 4 =
  5. 5.23 × 4 =
  6. 6.52 × 4 =
  7. 7.14 × 4 =
  8. 8.9 × 4 =
  9. 9.27 × 4 =
  10. 10.19 × 4 =
  11. 11.55 × 4 =
  12. 12.47 × 4 =
  13. 13.25 × 4 =
  14. 14.38 × 4 =
  15. 15.28 × 4 =
  16. 16.54 × 4 =
  17. 17.53 × 4 =
  18. 18.22 × 4 =
  19. 19.45 × 4 =
  20. 20.58 × 4 =
  21. 21.43 × 4 =
  22. 22.26 × 4 =
  23. 23.59 × 4 =
  24. 24.13 × 4 =
  25. 25.41 × 4 =
  26. 26.12 × 4 =
  27. 27.44 × 4 =
  28. 28.16 × 4 =
  29. 29.20 × 4 =
  30. 30.46 × 4 =
  31. 31.51 × 4 =
  32. 32.34 × 4 =
  33. 33.29 × 4 =
  34. 34.60 × 4 =
  35. 35.30 × 4 =
  36. 36.37 × 4 =
  37. 37.33 × 4 =
  38. 38.50 × 4 =
  39. 39.8 × 4 =
  40. 40.21 × 4 =

Answer key

  1. 196
  2. 72
  3. 124
  4. 144
  5. 92
  6. 208
  7. 56
  8. 36
  9. 108
  10. 76
  11. 220
  12. 188
  13. 100
  14. 152
  15. 112
  16. 216
  17. 212
  18. 88
  19. 180
  20. 232
  21. 172
  22. 104
  23. 236
  24. 52
  25. 164
  26. 48
  27. 176
  28. 64
  29. 80
  30. 184
  31. 204
  32. 136
  33. 116
  34. 240
  35. 120
  36. 148
  37. 132
  38. 200
  39. 32
  40. 84

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