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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 247 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.8 × 4 =
  3. 3.28 × 4 =
  4. 4.48 × 4 =
  5. 5.59 × 4 =
  6. 6.31 × 4 =
  7. 7.34 × 4 =
  8. 8.49 × 4 =
  9. 9.17 × 4 =
  10. 10.30 × 4 =
  11. 11.45 × 4 =
  12. 12.18 × 4 =
  13. 13.12 × 4 =
  14. 14.42 × 4 =
  15. 15.7 × 4 =
  16. 16.58 × 4 =
  17. 17.54 × 4 =
  18. 18.60 × 4 =
  19. 19.46 × 4 =
  20. 20.24 × 4 =
  21. 21.11 × 4 =
  22. 22.19 × 4 =
  23. 23.53 × 4 =
  24. 24.26 × 4 =
  25. 25.50 × 4 =
  26. 26.43 × 4 =
  27. 27.32 × 4 =
  28. 28.37 × 4 =
  29. 29.40 × 4 =
  30. 30.33 × 4 =
  31. 31.25 × 4 =
  32. 32.13 × 4 =
  33. 33.29 × 4 =
  34. 34.21 × 4 =
  35. 35.10 × 4 =
  36. 36.22 × 4 =
  37. 37.51 × 4 =
  38. 38.35 × 4 =
  39. 39.14 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 208
  2. 32
  3. 112
  4. 192
  5. 236
  6. 124
  7. 136
  8. 196
  9. 68
  10. 120
  11. 180
  12. 72
  13. 48
  14. 168
  15. 28
  16. 232
  17. 216
  18. 240
  19. 184
  20. 96
  21. 44
  22. 76
  23. 212
  24. 104
  25. 200
  26. 172
  27. 128
  28. 148
  29. 160
  30. 132
  31. 100
  32. 52
  33. 116
  34. 84
  35. 40
  36. 88
  37. 204
  38. 140
  39. 56
  40. 60

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