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Multiply by 4 Worksheet

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

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

NameDateTime takenScore ___ / 40
  1. 1.13 × 4 =
  2. 2.57 × 4 =
  3. 3.39 × 4 =
  4. 4.53 × 4 =
  5. 5.43 × 4 =
  6. 6.18 × 4 =
  7. 7.60 × 4 =
  8. 8.21 × 4 =
  9. 9.9 × 4 =
  10. 10.58 × 4 =
  11. 11.27 × 4 =
  12. 12.14 × 4 =
  13. 13.54 × 4 =
  14. 14.15 × 4 =
  15. 15.44 × 4 =
  16. 16.40 × 4 =
  17. 17.37 × 4 =
  18. 18.50 × 4 =
  19. 19.7 × 4 =
  20. 20.56 × 4 =
  21. 21.31 × 4 =
  22. 22.32 × 4 =
  23. 23.55 × 4 =
  24. 24.8 × 4 =
  25. 25.10 × 4 =
  26. 26.46 × 4 =
  27. 27.38 × 4 =
  28. 28.22 × 4 =
  29. 29.12 × 4 =
  30. 30.6 × 4 =
  31. 31.29 × 4 =
  32. 32.42 × 4 =
  33. 33.41 × 4 =
  34. 34.33 × 4 =
  35. 35.47 × 4 =
  36. 36.26 × 4 =
  37. 37.28 × 4 =
  38. 38.20 × 4 =
  39. 39.51 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 52
  2. 228
  3. 156
  4. 212
  5. 172
  6. 72
  7. 240
  8. 84
  9. 36
  10. 232
  11. 108
  12. 56
  13. 216
  14. 60
  15. 176
  16. 160
  17. 148
  18. 200
  19. 28
  20. 224
  21. 124
  22. 128
  23. 220
  24. 32
  25. 40
  26. 184
  27. 152
  28. 88
  29. 48
  30. 24
  31. 116
  32. 168
  33. 164
  34. 132
  35. 188
  36. 104
  37. 112
  38. 80
  39. 204
  40. 92

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