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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 184 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.12 × 4 =
  3. 3.23 × 4 =
  4. 4.15 × 4 =
  5. 5.18 × 4 =
  6. 6.37 × 4 =
  7. 7.51 × 4 =
  8. 8.35 × 4 =
  9. 9.42 × 4 =
  10. 10.27 × 4 =
  11. 11.47 × 4 =
  12. 12.57 × 4 =
  13. 13.50 × 4 =
  14. 14.49 × 4 =
  15. 15.17 × 4 =
  16. 16.14 × 4 =
  17. 17.38 × 4 =
  18. 18.39 × 4 =
  19. 19.8 × 4 =
  20. 20.32 × 4 =
  21. 21.34 × 4 =
  22. 22.30 × 4 =
  23. 23.36 × 4 =
  24. 24.24 × 4 =
  25. 25.40 × 4 =
  26. 26.45 × 4 =
  27. 27.26 × 4 =
  28. 28.44 × 4 =
  29. 29.28 × 4 =
  30. 30.11 × 4 =
  31. 31.25 × 4 =
  32. 32.54 × 4 =
  33. 33.33 × 4 =
  34. 34.43 × 4 =
  35. 35.56 × 4 =
  36. 36.16 × 4 =
  37. 37.41 × 4 =
  38. 38.21 × 4 =
  39. 39.20 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 36
  2. 48
  3. 92
  4. 60
  5. 72
  6. 148
  7. 204
  8. 140
  9. 168
  10. 108
  11. 188
  12. 228
  13. 200
  14. 196
  15. 68
  16. 56
  17. 152
  18. 156
  19. 32
  20. 128
  21. 136
  22. 120
  23. 144
  24. 96
  25. 160
  26. 180
  27. 104
  28. 176
  29. 112
  30. 44
  31. 100
  32. 216
  33. 132
  34. 172
  35. 224
  36. 64
  37. 164
  38. 84
  39. 80
  40. 52

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