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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 249 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.22 × 4 =
  3. 3.17 × 4 =
  4. 4.26 × 4 =
  5. 5.53 × 4 =
  6. 6.20 × 4 =
  7. 7.12 × 4 =
  8. 8.10 × 4 =
  9. 9.6 × 4 =
  10. 10.7 × 4 =
  11. 11.49 × 4 =
  12. 12.8 × 4 =
  13. 13.32 × 4 =
  14. 14.33 × 4 =
  15. 15.51 × 4 =
  16. 16.41 × 4 =
  17. 17.39 × 4 =
  18. 18.40 × 4 =
  19. 19.13 × 4 =
  20. 20.16 × 4 =
  21. 21.23 × 4 =
  22. 22.45 × 4 =
  23. 23.43 × 4 =
  24. 24.30 × 4 =
  25. 25.42 × 4 =
  26. 26.18 × 4 =
  27. 27.28 × 4 =
  28. 28.44 × 4 =
  29. 29.58 × 4 =
  30. 30.11 × 4 =
  31. 31.55 × 4 =
  32. 32.15 × 4 =
  33. 33.52 × 4 =
  34. 34.25 × 4 =
  35. 35.47 × 4 =
  36. 36.14 × 4 =
  37. 37.60 × 4 =
  38. 38.9 × 4 =
  39. 39.21 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 144
  2. 88
  3. 68
  4. 104
  5. 212
  6. 80
  7. 48
  8. 40
  9. 24
  10. 28
  11. 196
  12. 32
  13. 128
  14. 132
  15. 204
  16. 164
  17. 156
  18. 160
  19. 52
  20. 64
  21. 92
  22. 180
  23. 172
  24. 120
  25. 168
  26. 72
  27. 112
  28. 176
  29. 232
  30. 44
  31. 220
  32. 60
  33. 208
  34. 100
  35. 188
  36. 56
  37. 240
  38. 36
  39. 84
  40. 216

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