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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 514 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.19 × 4 =
  3. 3.11 × 4 =
  4. 4.7 × 4 =
  5. 5.44 × 4 =
  6. 6.9 × 4 =
  7. 7.8 × 4 =
  8. 8.55 × 4 =
  9. 9.14 × 4 =
  10. 10.60 × 4 =
  11. 11.58 × 4 =
  12. 12.28 × 4 =
  13. 13.6 × 4 =
  14. 14.46 × 4 =
  15. 15.22 × 4 =
  16. 16.51 × 4 =
  17. 17.42 × 4 =
  18. 18.43 × 4 =
  19. 19.37 × 4 =
  20. 20.12 × 4 =
  21. 21.57 × 4 =
  22. 22.34 × 4 =
  23. 23.25 × 4 =
  24. 24.27 × 4 =
  25. 25.13 × 4 =
  26. 26.20 × 4 =
  27. 27.18 × 4 =
  28. 28.47 × 4 =
  29. 29.21 × 4 =
  30. 30.52 × 4 =
  31. 31.35 × 4 =
  32. 32.56 × 4 =
  33. 33.10 × 4 =
  34. 34.15 × 4 =
  35. 35.23 × 4 =
  36. 36.49 × 4 =
  37. 37.41 × 4 =
  38. 38.54 × 4 =
  39. 39.33 × 4 =
  40. 40.45 × 4 =

Answer key

  1. 68
  2. 76
  3. 44
  4. 28
  5. 176
  6. 36
  7. 32
  8. 220
  9. 56
  10. 240
  11. 232
  12. 112
  13. 24
  14. 184
  15. 88
  16. 204
  17. 168
  18. 172
  19. 148
  20. 48
  21. 228
  22. 136
  23. 100
  24. 108
  25. 52
  26. 80
  27. 72
  28. 188
  29. 84
  30. 208
  31. 140
  32. 224
  33. 40
  34. 60
  35. 92
  36. 196
  37. 164
  38. 216
  39. 132
  40. 180

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