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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 782 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.42 × 4 =
  2. 2.60 × 4 =
  3. 3.24 × 4 =
  4. 4.34 × 4 =
  5. 5.20 × 4 =
  6. 6.13 × 4 =
  7. 7.51 × 4 =
  8. 8.38 × 4 =
  9. 9.49 × 4 =
  10. 10.46 × 4 =
  11. 11.25 × 4 =
  12. 12.31 × 4 =
  13. 13.11 × 4 =
  14. 14.59 × 4 =
  15. 15.27 × 4 =
  16. 16.47 × 4 =
  17. 17.30 × 4 =
  18. 18.39 × 4 =
  19. 19.32 × 4 =
  20. 20.41 × 4 =
  21. 21.48 × 4 =
  22. 22.12 × 4 =
  23. 23.54 × 4 =
  24. 24.43 × 4 =
  25. 25.26 × 4 =
  26. 26.9 × 4 =
  27. 27.19 × 4 =
  28. 28.36 × 4 =
  29. 29.29 × 4 =
  30. 30.16 × 4 =
  31. 31.58 × 4 =
  32. 32.35 × 4 =
  33. 33.40 × 4 =
  34. 34.45 × 4 =
  35. 35.17 × 4 =
  36. 36.52 × 4 =
  37. 37.53 × 4 =
  38. 38.8 × 4 =
  39. 39.23 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 168
  2. 240
  3. 96
  4. 136
  5. 80
  6. 52
  7. 204
  8. 152
  9. 196
  10. 184
  11. 100
  12. 124
  13. 44
  14. 236
  15. 108
  16. 188
  17. 120
  18. 156
  19. 128
  20. 164
  21. 192
  22. 48
  23. 216
  24. 172
  25. 104
  26. 36
  27. 76
  28. 144
  29. 116
  30. 64
  31. 232
  32. 140
  33. 160
  34. 180
  35. 68
  36. 208
  37. 212
  38. 32
  39. 92
  40. 220

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