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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 553 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.16 × 4 =
  3. 3.17 × 4 =
  4. 4.39 × 4 =
  5. 5.13 × 4 =
  6. 6.58 × 4 =
  7. 7.6 × 4 =
  8. 8.59 × 4 =
  9. 9.47 × 4 =
  10. 10.44 × 4 =
  11. 11.46 × 4 =
  12. 12.53 × 4 =
  13. 13.38 × 4 =
  14. 14.52 × 4 =
  15. 15.14 × 4 =
  16. 16.54 × 4 =
  17. 17.43 × 4 =
  18. 18.36 × 4 =
  19. 19.37 × 4 =
  20. 20.24 × 4 =
  21. 21.30 × 4 =
  22. 22.60 × 4 =
  23. 23.20 × 4 =
  24. 24.22 × 4 =
  25. 25.49 × 4 =
  26. 26.56 × 4 =
  27. 27.41 × 4 =
  28. 28.26 × 4 =
  29. 29.19 × 4 =
  30. 30.51 × 4 =
  31. 31.27 × 4 =
  32. 32.15 × 4 =
  33. 33.31 × 4 =
  34. 34.8 × 4 =
  35. 35.29 × 4 =
  36. 36.32 × 4 =
  37. 37.25 × 4 =
  38. 38.55 × 4 =
  39. 39.33 × 4 =
  40. 40.12 × 4 =

Answer key

  1. 180
  2. 64
  3. 68
  4. 156
  5. 52
  6. 232
  7. 24
  8. 236
  9. 188
  10. 176
  11. 184
  12. 212
  13. 152
  14. 208
  15. 56
  16. 216
  17. 172
  18. 144
  19. 148
  20. 96
  21. 120
  22. 240
  23. 80
  24. 88
  25. 196
  26. 224
  27. 164
  28. 104
  29. 76
  30. 204
  31. 108
  32. 60
  33. 124
  34. 32
  35. 116
  36. 128
  37. 100
  38. 220
  39. 132
  40. 48

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