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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 304 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.42 × 4 =
  3. 3.19 × 4 =
  4. 4.35 × 4 =
  5. 5.22 × 4 =
  6. 6.30 × 4 =
  7. 7.55 × 4 =
  8. 8.29 × 4 =
  9. 9.57 × 4 =
  10. 10.41 × 4 =
  11. 11.23 × 4 =
  12. 12.11 × 4 =
  13. 13.43 × 4 =
  14. 14.36 × 4 =
  15. 15.54 × 4 =
  16. 16.28 × 4 =
  17. 17.39 × 4 =
  18. 18.20 × 4 =
  19. 19.48 × 4 =
  20. 20.56 × 4 =
  21. 21.58 × 4 =
  22. 22.15 × 4 =
  23. 23.13 × 4 =
  24. 24.14 × 4 =
  25. 25.50 × 4 =
  26. 26.12 × 4 =
  27. 27.33 × 4 =
  28. 28.37 × 4 =
  29. 29.40 × 4 =
  30. 30.8 × 4 =
  31. 31.52 × 4 =
  32. 32.27 × 4 =
  33. 33.18 × 4 =
  34. 34.31 × 4 =
  35. 35.38 × 4 =
  36. 36.21 × 4 =
  37. 37.17 × 4 =
  38. 38.49 × 4 =
  39. 39.25 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 188
  2. 168
  3. 76
  4. 140
  5. 88
  6. 120
  7. 220
  8. 116
  9. 228
  10. 164
  11. 92
  12. 44
  13. 172
  14. 144
  15. 216
  16. 112
  17. 156
  18. 80
  19. 192
  20. 224
  21. 232
  22. 60
  23. 52
  24. 56
  25. 200
  26. 48
  27. 132
  28. 148
  29. 160
  30. 32
  31. 208
  32. 108
  33. 72
  34. 124
  35. 152
  36. 84
  37. 68
  38. 196
  39. 100
  40. 28

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