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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 190 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.10 × 4 =
  2. 2.32 × 4 =
  3. 3.56 × 4 =
  4. 4.18 × 4 =
  5. 5.21 × 4 =
  6. 6.47 × 4 =
  7. 7.36 × 4 =
  8. 8.8 × 4 =
  9. 9.19 × 4 =
  10. 10.23 × 4 =
  11. 11.59 × 4 =
  12. 12.53 × 4 =
  13. 13.58 × 4 =
  14. 14.43 × 4 =
  15. 15.60 × 4 =
  16. 16.24 × 4 =
  17. 17.29 × 4 =
  18. 18.42 × 4 =
  19. 19.11 × 4 =
  20. 20.12 × 4 =
  21. 21.46 × 4 =
  22. 22.17 × 4 =
  23. 23.55 × 4 =
  24. 24.39 × 4 =
  25. 25.27 × 4 =
  26. 26.35 × 4 =
  27. 27.40 × 4 =
  28. 28.16 × 4 =
  29. 29.48 × 4 =
  30. 30.26 × 4 =
  31. 31.51 × 4 =
  32. 32.45 × 4 =
  33. 33.7 × 4 =
  34. 34.25 × 4 =
  35. 35.20 × 4 =
  36. 36.22 × 4 =
  37. 37.41 × 4 =
  38. 38.31 × 4 =
  39. 39.54 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 40
  2. 128
  3. 224
  4. 72
  5. 84
  6. 188
  7. 144
  8. 32
  9. 76
  10. 92
  11. 236
  12. 212
  13. 232
  14. 172
  15. 240
  16. 96
  17. 116
  18. 168
  19. 44
  20. 48
  21. 184
  22. 68
  23. 220
  24. 156
  25. 108
  26. 140
  27. 160
  28. 64
  29. 192
  30. 104
  31. 204
  32. 180
  33. 28
  34. 100
  35. 80
  36. 88
  37. 164
  38. 124
  39. 216
  40. 24

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