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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 5 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.56 × 4 =
  2. 2.26 × 4 =
  3. 3.32 × 4 =
  4. 4.18 × 4 =
  5. 5.7 × 4 =
  6. 6.44 × 4 =
  7. 7.31 × 4 =
  8. 8.54 × 4 =
  9. 9.38 × 4 =
  10. 10.8 × 4 =
  11. 11.59 × 4 =
  12. 12.19 × 4 =
  13. 13.20 × 4 =
  14. 14.16 × 4 =
  15. 15.43 × 4 =
  16. 16.29 × 4 =
  17. 17.60 × 4 =
  18. 18.15 × 4 =
  19. 19.37 × 4 =
  20. 20.40 × 4 =
  21. 21.50 × 4 =
  22. 22.33 × 4 =
  23. 23.13 × 4 =
  24. 24.51 × 4 =
  25. 25.39 × 4 =
  26. 26.14 × 4 =
  27. 27.9 × 4 =
  28. 28.49 × 4 =
  29. 29.6 × 4 =
  30. 30.25 × 4 =
  31. 31.24 × 4 =
  32. 32.41 × 4 =
  33. 33.36 × 4 =
  34. 34.47 × 4 =
  35. 35.10 × 4 =
  36. 36.30 × 4 =
  37. 37.34 × 4 =
  38. 38.17 × 4 =
  39. 39.35 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 224
  2. 104
  3. 128
  4. 72
  5. 28
  6. 176
  7. 124
  8. 216
  9. 152
  10. 32
  11. 236
  12. 76
  13. 80
  14. 64
  15. 172
  16. 116
  17. 240
  18. 60
  19. 148
  20. 160
  21. 200
  22. 132
  23. 52
  24. 204
  25. 156
  26. 56
  27. 36
  28. 196
  29. 24
  30. 100
  31. 96
  32. 164
  33. 144
  34. 188
  35. 40
  36. 120
  37. 136
  38. 68
  39. 140
  40. 44

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