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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 463 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.26 × 4 =
  2. 2.43 × 4 =
  3. 3.32 × 4 =
  4. 4.16 × 4 =
  5. 5.21 × 4 =
  6. 6.13 × 4 =
  7. 7.8 × 4 =
  8. 8.39 × 4 =
  9. 9.35 × 4 =
  10. 10.40 × 4 =
  11. 11.56 × 4 =
  12. 12.27 × 4 =
  13. 13.19 × 4 =
  14. 14.15 × 4 =
  15. 15.41 × 4 =
  16. 16.33 × 4 =
  17. 17.14 × 4 =
  18. 18.38 × 4 =
  19. 19.42 × 4 =
  20. 20.37 × 4 =
  21. 21.47 × 4 =
  22. 22.44 × 4 =
  23. 23.30 × 4 =
  24. 24.60 × 4 =
  25. 25.6 × 4 =
  26. 26.48 × 4 =
  27. 27.59 × 4 =
  28. 28.20 × 4 =
  29. 29.50 × 4 =
  30. 30.28 × 4 =
  31. 31.10 × 4 =
  32. 32.17 × 4 =
  33. 33.36 × 4 =
  34. 34.12 × 4 =
  35. 35.31 × 4 =
  36. 36.49 × 4 =
  37. 37.25 × 4 =
  38. 38.51 × 4 =
  39. 39.7 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 104
  2. 172
  3. 128
  4. 64
  5. 84
  6. 52
  7. 32
  8. 156
  9. 140
  10. 160
  11. 224
  12. 108
  13. 76
  14. 60
  15. 164
  16. 132
  17. 56
  18. 152
  19. 168
  20. 148
  21. 188
  22. 176
  23. 120
  24. 240
  25. 24
  26. 192
  27. 236
  28. 80
  29. 200
  30. 112
  31. 40
  32. 68
  33. 144
  34. 48
  35. 124
  36. 196
  37. 100
  38. 204
  39. 28
  40. 216

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