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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 204 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.47 × 4 =
  3. 3.10 × 4 =
  4. 4.11 × 4 =
  5. 5.55 × 4 =
  6. 6.13 × 4 =
  7. 7.12 × 4 =
  8. 8.20 × 4 =
  9. 9.57 × 4 =
  10. 10.56 × 4 =
  11. 11.18 × 4 =
  12. 12.29 × 4 =
  13. 13.58 × 4 =
  14. 14.8 × 4 =
  15. 15.14 × 4 =
  16. 16.9 × 4 =
  17. 17.21 × 4 =
  18. 18.42 × 4 =
  19. 19.51 × 4 =
  20. 20.52 × 4 =
  21. 21.43 × 4 =
  22. 22.53 × 4 =
  23. 23.45 × 4 =
  24. 24.27 × 4 =
  25. 25.28 × 4 =
  26. 26.36 × 4 =
  27. 27.33 × 4 =
  28. 28.23 × 4 =
  29. 29.26 × 4 =
  30. 30.34 × 4 =
  31. 31.60 × 4 =
  32. 32.6 × 4 =
  33. 33.17 × 4 =
  34. 34.41 × 4 =
  35. 35.35 × 4 =
  36. 36.19 × 4 =
  37. 37.38 × 4 =
  38. 38.25 × 4 =
  39. 39.32 × 4 =
  40. 40.50 × 4 =

Answer key

  1. 64
  2. 188
  3. 40
  4. 44
  5. 220
  6. 52
  7. 48
  8. 80
  9. 228
  10. 224
  11. 72
  12. 116
  13. 232
  14. 32
  15. 56
  16. 36
  17. 84
  18. 168
  19. 204
  20. 208
  21. 172
  22. 212
  23. 180
  24. 108
  25. 112
  26. 144
  27. 132
  28. 92
  29. 104
  30. 136
  31. 240
  32. 24
  33. 68
  34. 164
  35. 140
  36. 76
  37. 152
  38. 100
  39. 128
  40. 200

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