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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 586 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.56 × 4 =
  2. 2.10 × 4 =
  3. 3.8 × 4 =
  4. 4.16 × 4 =
  5. 5.23 × 4 =
  6. 6.11 × 4 =
  7. 7.50 × 4 =
  8. 8.31 × 4 =
  9. 9.26 × 4 =
  10. 10.14 × 4 =
  11. 11.28 × 4 =
  12. 12.12 × 4 =
  13. 13.54 × 4 =
  14. 14.42 × 4 =
  15. 15.29 × 4 =
  16. 16.33 × 4 =
  17. 17.44 × 4 =
  18. 18.30 × 4 =
  19. 19.20 × 4 =
  20. 20.57 × 4 =
  21. 21.9 × 4 =
  22. 22.49 × 4 =
  23. 23.19 × 4 =
  24. 24.60 × 4 =
  25. 25.39 × 4 =
  26. 26.24 × 4 =
  27. 27.15 × 4 =
  28. 28.21 × 4 =
  29. 29.41 × 4 =
  30. 30.59 × 4 =
  31. 31.17 × 4 =
  32. 32.43 × 4 =
  33. 33.18 × 4 =
  34. 34.6 × 4 =
  35. 35.38 × 4 =
  36. 36.32 × 4 =
  37. 37.13 × 4 =
  38. 38.35 × 4 =
  39. 39.51 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 224
  2. 40
  3. 32
  4. 64
  5. 92
  6. 44
  7. 200
  8. 124
  9. 104
  10. 56
  11. 112
  12. 48
  13. 216
  14. 168
  15. 116
  16. 132
  17. 176
  18. 120
  19. 80
  20. 228
  21. 36
  22. 196
  23. 76
  24. 240
  25. 156
  26. 96
  27. 60
  28. 84
  29. 164
  30. 236
  31. 68
  32. 172
  33. 72
  34. 24
  35. 152
  36. 128
  37. 52
  38. 140
  39. 204
  40. 136

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