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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 551 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.18 × 4 =
  3. 3.16 × 4 =
  4. 4.48 × 4 =
  5. 5.25 × 4 =
  6. 6.26 × 4 =
  7. 7.44 × 4 =
  8. 8.7 × 4 =
  9. 9.37 × 4 =
  10. 10.6 × 4 =
  11. 11.55 × 4 =
  12. 12.17 × 4 =
  13. 13.58 × 4 =
  14. 14.42 × 4 =
  15. 15.39 × 4 =
  16. 16.36 × 4 =
  17. 17.50 × 4 =
  18. 18.20 × 4 =
  19. 19.52 × 4 =
  20. 20.51 × 4 =
  21. 21.32 × 4 =
  22. 22.30 × 4 =
  23. 23.34 × 4 =
  24. 24.45 × 4 =
  25. 25.21 × 4 =
  26. 26.13 × 4 =
  27. 27.9 × 4 =
  28. 28.24 × 4 =
  29. 29.41 × 4 =
  30. 30.40 × 4 =
  31. 31.49 × 4 =
  32. 32.29 × 4 =
  33. 33.23 × 4 =
  34. 34.53 × 4 =
  35. 35.27 × 4 =
  36. 36.28 × 4 =
  37. 37.19 × 4 =
  38. 38.47 × 4 =
  39. 39.10 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 60
  2. 72
  3. 64
  4. 192
  5. 100
  6. 104
  7. 176
  8. 28
  9. 148
  10. 24
  11. 220
  12. 68
  13. 232
  14. 168
  15. 156
  16. 144
  17. 200
  18. 80
  19. 208
  20. 204
  21. 128
  22. 120
  23. 136
  24. 180
  25. 84
  26. 52
  27. 36
  28. 96
  29. 164
  30. 160
  31. 196
  32. 116
  33. 92
  34. 212
  35. 108
  36. 112
  37. 76
  38. 188
  39. 40
  40. 216

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