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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 376 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.8 × 4 =
  3. 3.54 × 4 =
  4. 4.49 × 4 =
  5. 5.58 × 4 =
  6. 6.44 × 4 =
  7. 7.53 × 4 =
  8. 8.12 × 4 =
  9. 9.27 × 4 =
  10. 10.60 × 4 =
  11. 11.31 × 4 =
  12. 12.6 × 4 =
  13. 13.14 × 4 =
  14. 14.33 × 4 =
  15. 15.55 × 4 =
  16. 16.48 × 4 =
  17. 17.15 × 4 =
  18. 18.35 × 4 =
  19. 19.10 × 4 =
  20. 20.37 × 4 =
  21. 21.21 × 4 =
  22. 22.46 × 4 =
  23. 23.38 × 4 =
  24. 24.36 × 4 =
  25. 25.17 × 4 =
  26. 26.50 × 4 =
  27. 27.18 × 4 =
  28. 28.57 × 4 =
  29. 29.25 × 4 =
  30. 30.13 × 4 =
  31. 31.47 × 4 =
  32. 32.11 × 4 =
  33. 33.23 × 4 =
  34. 34.40 × 4 =
  35. 35.26 × 4 =
  36. 36.28 × 4 =
  37. 37.29 × 4 =
  38. 38.39 × 4 =
  39. 39.42 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 204
  2. 32
  3. 216
  4. 196
  5. 232
  6. 176
  7. 212
  8. 48
  9. 108
  10. 240
  11. 124
  12. 24
  13. 56
  14. 132
  15. 220
  16. 192
  17. 60
  18. 140
  19. 40
  20. 148
  21. 84
  22. 184
  23. 152
  24. 144
  25. 68
  26. 200
  27. 72
  28. 228
  29. 100
  30. 52
  31. 188
  32. 44
  33. 92
  34. 160
  35. 104
  36. 112
  37. 116
  38. 156
  39. 168
  40. 28

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