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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 354 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.11 × 4 =
  3. 3.39 × 4 =
  4. 4.25 × 4 =
  5. 5.42 × 4 =
  6. 6.30 × 4 =
  7. 7.27 × 4 =
  8. 8.22 × 4 =
  9. 9.6 × 4 =
  10. 10.51 × 4 =
  11. 11.60 × 4 =
  12. 12.10 × 4 =
  13. 13.59 × 4 =
  14. 14.23 × 4 =
  15. 15.48 × 4 =
  16. 16.17 × 4 =
  17. 17.9 × 4 =
  18. 18.50 × 4 =
  19. 19.21 × 4 =
  20. 20.54 × 4 =
  21. 21.37 × 4 =
  22. 22.43 × 4 =
  23. 23.33 × 4 =
  24. 24.26 × 4 =
  25. 25.35 × 4 =
  26. 26.12 × 4 =
  27. 27.24 × 4 =
  28. 28.46 × 4 =
  29. 29.38 × 4 =
  30. 30.14 × 4 =
  31. 31.16 × 4 =
  32. 32.28 × 4 =
  33. 33.57 × 4 =
  34. 34.45 × 4 =
  35. 35.20 × 4 =
  36. 36.34 × 4 =
  37. 37.13 × 4 =
  38. 38.8 × 4 =
  39. 39.7 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 72
  2. 44
  3. 156
  4. 100
  5. 168
  6. 120
  7. 108
  8. 88
  9. 24
  10. 204
  11. 240
  12. 40
  13. 236
  14. 92
  15. 192
  16. 68
  17. 36
  18. 200
  19. 84
  20. 216
  21. 148
  22. 172
  23. 132
  24. 104
  25. 140
  26. 48
  27. 96
  28. 184
  29. 152
  30. 56
  31. 64
  32. 112
  33. 228
  34. 180
  35. 80
  36. 136
  37. 52
  38. 32
  39. 28
  40. 220

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