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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 408 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.33 × 4 =
  2. 2.21 × 4 =
  3. 3.12 × 4 =
  4. 4.51 × 4 =
  5. 5.19 × 4 =
  6. 6.59 × 4 =
  7. 7.26 × 4 =
  8. 8.56 × 4 =
  9. 9.17 × 4 =
  10. 10.40 × 4 =
  11. 11.44 × 4 =
  12. 12.48 × 4 =
  13. 13.32 × 4 =
  14. 14.15 × 4 =
  15. 15.55 × 4 =
  16. 16.34 × 4 =
  17. 17.6 × 4 =
  18. 18.11 × 4 =
  19. 19.35 × 4 =
  20. 20.20 × 4 =
  21. 21.16 × 4 =
  22. 22.46 × 4 =
  23. 23.42 × 4 =
  24. 24.8 × 4 =
  25. 25.9 × 4 =
  26. 26.38 × 4 =
  27. 27.23 × 4 =
  28. 28.27 × 4 =
  29. 29.29 × 4 =
  30. 30.36 × 4 =
  31. 31.18 × 4 =
  32. 32.39 × 4 =
  33. 33.14 × 4 =
  34. 34.22 × 4 =
  35. 35.7 × 4 =
  36. 36.50 × 4 =
  37. 37.57 × 4 =
  38. 38.24 × 4 =
  39. 39.53 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 132
  2. 84
  3. 48
  4. 204
  5. 76
  6. 236
  7. 104
  8. 224
  9. 68
  10. 160
  11. 176
  12. 192
  13. 128
  14. 60
  15. 220
  16. 136
  17. 24
  18. 44
  19. 140
  20. 80
  21. 64
  22. 184
  23. 168
  24. 32
  25. 36
  26. 152
  27. 92
  28. 108
  29. 116
  30. 144
  31. 72
  32. 156
  33. 56
  34. 88
  35. 28
  36. 200
  37. 228
  38. 96
  39. 212
  40. 240

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