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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 444 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.50 × 4 =
  2. 2.34 × 4 =
  3. 3.29 × 4 =
  4. 4.30 × 4 =
  5. 5.19 × 4 =
  6. 6.12 × 4 =
  7. 7.24 × 4 =
  8. 8.27 × 4 =
  9. 9.23 × 4 =
  10. 10.52 × 4 =
  11. 11.59 × 4 =
  12. 12.21 × 4 =
  13. 13.51 × 4 =
  14. 14.35 × 4 =
  15. 15.33 × 4 =
  16. 16.16 × 4 =
  17. 17.43 × 4 =
  18. 18.57 × 4 =
  19. 19.54 × 4 =
  20. 20.14 × 4 =
  21. 21.46 × 4 =
  22. 22.38 × 4 =
  23. 23.44 × 4 =
  24. 24.42 × 4 =
  25. 25.22 × 4 =
  26. 26.39 × 4 =
  27. 27.48 × 4 =
  28. 28.28 × 4 =
  29. 29.11 × 4 =
  30. 30.25 × 4 =
  31. 31.20 × 4 =
  32. 32.9 × 4 =
  33. 33.36 × 4 =
  34. 34.6 × 4 =
  35. 35.18 × 4 =
  36. 36.15 × 4 =
  37. 37.60 × 4 =
  38. 38.55 × 4 =
  39. 39.40 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 200
  2. 136
  3. 116
  4. 120
  5. 76
  6. 48
  7. 96
  8. 108
  9. 92
  10. 208
  11. 236
  12. 84
  13. 204
  14. 140
  15. 132
  16. 64
  17. 172
  18. 228
  19. 216
  20. 56
  21. 184
  22. 152
  23. 176
  24. 168
  25. 88
  26. 156
  27. 192
  28. 112
  29. 44
  30. 100
  31. 80
  32. 36
  33. 144
  34. 24
  35. 72
  36. 60
  37. 240
  38. 220
  39. 160
  40. 124

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