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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 881 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.14 × 4 =
  3. 3.9 × 4 =
  4. 4.7 × 4 =
  5. 5.43 × 4 =
  6. 6.21 × 4 =
  7. 7.28 × 4 =
  8. 8.33 × 4 =
  9. 9.54 × 4 =
  10. 10.46 × 4 =
  11. 11.40 × 4 =
  12. 12.37 × 4 =
  13. 13.22 × 4 =
  14. 14.24 × 4 =
  15. 15.27 × 4 =
  16. 16.18 × 4 =
  17. 17.34 × 4 =
  18. 18.38 × 4 =
  19. 19.32 × 4 =
  20. 20.20 × 4 =
  21. 21.11 × 4 =
  22. 22.58 × 4 =
  23. 23.6 × 4 =
  24. 24.41 × 4 =
  25. 25.8 × 4 =
  26. 26.17 × 4 =
  27. 27.36 × 4 =
  28. 28.60 × 4 =
  29. 29.59 × 4 =
  30. 30.45 × 4 =
  31. 31.16 × 4 =
  32. 32.35 × 4 =
  33. 33.23 × 4 =
  34. 34.19 × 4 =
  35. 35.12 × 4 =
  36. 36.55 × 4 =
  37. 37.29 × 4 =
  38. 38.56 × 4 =
  39. 39.30 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 124
  2. 56
  3. 36
  4. 28
  5. 172
  6. 84
  7. 112
  8. 132
  9. 216
  10. 184
  11. 160
  12. 148
  13. 88
  14. 96
  15. 108
  16. 72
  17. 136
  18. 152
  19. 128
  20. 80
  21. 44
  22. 232
  23. 24
  24. 164
  25. 32
  26. 68
  27. 144
  28. 240
  29. 236
  30. 180
  31. 64
  32. 140
  33. 92
  34. 76
  35. 48
  36. 220
  37. 116
  38. 224
  39. 120
  40. 52

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