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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 267 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.25 × 4 =
  3. 3.12 × 4 =
  4. 4.34 × 4 =
  5. 5.17 × 4 =
  6. 6.51 × 4 =
  7. 7.11 × 4 =
  8. 8.14 × 4 =
  9. 9.30 × 4 =
  10. 10.47 × 4 =
  11. 11.13 × 4 =
  12. 12.38 × 4 =
  13. 13.23 × 4 =
  14. 14.22 × 4 =
  15. 15.9 × 4 =
  16. 16.42 × 4 =
  17. 17.53 × 4 =
  18. 18.39 × 4 =
  19. 19.26 × 4 =
  20. 20.45 × 4 =
  21. 21.56 × 4 =
  22. 22.43 × 4 =
  23. 23.58 × 4 =
  24. 24.28 × 4 =
  25. 25.31 × 4 =
  26. 26.27 × 4 =
  27. 27.35 × 4 =
  28. 28.55 × 4 =
  29. 29.49 × 4 =
  30. 30.36 × 4 =
  31. 31.24 × 4 =
  32. 32.15 × 4 =
  33. 33.32 × 4 =
  34. 34.60 × 4 =
  35. 35.41 × 4 =
  36. 36.54 × 4 =
  37. 37.29 × 4 =
  38. 38.10 × 4 =
  39. 39.46 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 160
  2. 100
  3. 48
  4. 136
  5. 68
  6. 204
  7. 44
  8. 56
  9. 120
  10. 188
  11. 52
  12. 152
  13. 92
  14. 88
  15. 36
  16. 168
  17. 212
  18. 156
  19. 104
  20. 180
  21. 224
  22. 172
  23. 232
  24. 112
  25. 124
  26. 108
  27. 140
  28. 220
  29. 196
  30. 144
  31. 96
  32. 60
  33. 128
  34. 240
  35. 164
  36. 216
  37. 116
  38. 40
  39. 184
  40. 148

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