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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 473 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.24 × 4 =
  2. 2.57 × 4 =
  3. 3.11 × 4 =
  4. 4.30 × 4 =
  5. 5.31 × 4 =
  6. 6.16 × 4 =
  7. 7.9 × 4 =
  8. 8.22 × 4 =
  9. 9.15 × 4 =
  10. 10.52 × 4 =
  11. 11.34 × 4 =
  12. 12.59 × 4 =
  13. 13.60 × 4 =
  14. 14.40 × 4 =
  15. 15.23 × 4 =
  16. 16.21 × 4 =
  17. 17.10 × 4 =
  18. 18.38 × 4 =
  19. 19.12 × 4 =
  20. 20.19 × 4 =
  21. 21.51 × 4 =
  22. 22.8 × 4 =
  23. 23.17 × 4 =
  24. 24.41 × 4 =
  25. 25.13 × 4 =
  26. 26.50 × 4 =
  27. 27.25 × 4 =
  28. 28.48 × 4 =
  29. 29.39 × 4 =
  30. 30.42 × 4 =
  31. 31.58 × 4 =
  32. 32.35 × 4 =
  33. 33.43 × 4 =
  34. 34.54 × 4 =
  35. 35.7 × 4 =
  36. 36.26 × 4 =
  37. 37.6 × 4 =
  38. 38.20 × 4 =
  39. 39.55 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 96
  2. 228
  3. 44
  4. 120
  5. 124
  6. 64
  7. 36
  8. 88
  9. 60
  10. 208
  11. 136
  12. 236
  13. 240
  14. 160
  15. 92
  16. 84
  17. 40
  18. 152
  19. 48
  20. 76
  21. 204
  22. 32
  23. 68
  24. 164
  25. 52
  26. 200
  27. 100
  28. 192
  29. 156
  30. 168
  31. 232
  32. 140
  33. 172
  34. 216
  35. 28
  36. 104
  37. 24
  38. 80
  39. 220
  40. 148

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