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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 554 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.12 × 4 =
  3. 3.38 × 4 =
  4. 4.6 × 4 =
  5. 5.19 × 4 =
  6. 6.21 × 4 =
  7. 7.33 × 4 =
  8. 8.23 × 4 =
  9. 9.36 × 4 =
  10. 10.14 × 4 =
  11. 11.30 × 4 =
  12. 12.41 × 4 =
  13. 13.44 × 4 =
  14. 14.25 × 4 =
  15. 15.45 × 4 =
  16. 16.37 × 4 =
  17. 17.42 × 4 =
  18. 18.16 × 4 =
  19. 19.53 × 4 =
  20. 20.47 × 4 =
  21. 21.9 × 4 =
  22. 22.31 × 4 =
  23. 23.40 × 4 =
  24. 24.56 × 4 =
  25. 25.32 × 4 =
  26. 26.60 × 4 =
  27. 27.18 × 4 =
  28. 28.58 × 4 =
  29. 29.39 × 4 =
  30. 30.46 × 4 =
  31. 31.28 × 4 =
  32. 32.59 × 4 =
  33. 33.24 × 4 =
  34. 34.43 × 4 =
  35. 35.29 × 4 =
  36. 36.13 × 4 =
  37. 37.8 × 4 =
  38. 38.27 × 4 =
  39. 39.10 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 208
  2. 48
  3. 152
  4. 24
  5. 76
  6. 84
  7. 132
  8. 92
  9. 144
  10. 56
  11. 120
  12. 164
  13. 176
  14. 100
  15. 180
  16. 148
  17. 168
  18. 64
  19. 212
  20. 188
  21. 36
  22. 124
  23. 160
  24. 224
  25. 128
  26. 240
  27. 72
  28. 232
  29. 156
  30. 184
  31. 112
  32. 236
  33. 96
  34. 172
  35. 116
  36. 52
  37. 32
  38. 108
  39. 40
  40. 140

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