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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 149 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.26 × 4 =
  2. 2.20 × 4 =
  3. 3.59 × 4 =
  4. 4.29 × 4 =
  5. 5.16 × 4 =
  6. 6.37 × 4 =
  7. 7.52 × 4 =
  8. 8.23 × 4 =
  9. 9.25 × 4 =
  10. 10.21 × 4 =
  11. 11.18 × 4 =
  12. 12.31 × 4 =
  13. 13.40 × 4 =
  14. 14.12 × 4 =
  15. 15.57 × 4 =
  16. 16.38 × 4 =
  17. 17.14 × 4 =
  18. 18.6 × 4 =
  19. 19.41 × 4 =
  20. 20.10 × 4 =
  21. 21.9 × 4 =
  22. 22.54 × 4 =
  23. 23.39 × 4 =
  24. 24.24 × 4 =
  25. 25.27 × 4 =
  26. 26.45 × 4 =
  27. 27.60 × 4 =
  28. 28.42 × 4 =
  29. 29.44 × 4 =
  30. 30.7 × 4 =
  31. 31.15 × 4 =
  32. 32.48 × 4 =
  33. 33.36 × 4 =
  34. 34.19 × 4 =
  35. 35.33 × 4 =
  36. 36.50 × 4 =
  37. 37.56 × 4 =
  38. 38.11 × 4 =
  39. 39.35 × 4 =
  40. 40.49 × 4 =

Answer key

  1. 104
  2. 80
  3. 236
  4. 116
  5. 64
  6. 148
  7. 208
  8. 92
  9. 100
  10. 84
  11. 72
  12. 124
  13. 160
  14. 48
  15. 228
  16. 152
  17. 56
  18. 24
  19. 164
  20. 40
  21. 36
  22. 216
  23. 156
  24. 96
  25. 108
  26. 180
  27. 240
  28. 168
  29. 176
  30. 28
  31. 60
  32. 192
  33. 144
  34. 76
  35. 132
  36. 200
  37. 224
  38. 44
  39. 140
  40. 196

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