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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 378 · 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. 2.18 × 4 =
  3. 3.20 × 4 =
  4. 4.58 × 4 =
  5. 5.39 × 4 =
  6. 6.9 × 4 =
  7. 7.40 × 4 =
  8. 8.55 × 4 =
  9. 9.28 × 4 =
  10. 10.21 × 4 =
  11. 11.25 × 4 =
  12. 12.44 × 4 =
  13. 13.32 × 4 =
  14. 14.60 × 4 =
  15. 15.11 × 4 =
  16. 16.6 × 4 =
  17. 17.38 × 4 =
  18. 18.54 × 4 =
  19. 19.53 × 4 =
  20. 20.36 × 4 =
  21. 21.46 × 4 =
  22. 22.15 × 4 =
  23. 23.26 × 4 =
  24. 24.37 × 4 =
  25. 25.29 × 4 =
  26. 26.22 × 4 =
  27. 27.17 × 4 =
  28. 28.57 × 4 =
  29. 29.7 × 4 =
  30. 30.19 × 4 =
  31. 31.34 × 4 =
  32. 32.27 × 4 =
  33. 33.47 × 4 =
  34. 34.12 × 4 =
  35. 35.31 × 4 =
  36. 36.45 × 4 =
  37. 37.10 × 4 =
  38. 38.30 × 4 =
  39. 39.14 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 96
  2. 72
  3. 80
  4. 232
  5. 156
  6. 36
  7. 160
  8. 220
  9. 112
  10. 84
  11. 100
  12. 176
  13. 128
  14. 240
  15. 44
  16. 24
  17. 152
  18. 216
  19. 212
  20. 144
  21. 184
  22. 60
  23. 104
  24. 148
  25. 116
  26. 88
  27. 68
  28. 228
  29. 28
  30. 76
  31. 136
  32. 108
  33. 188
  34. 48
  35. 124
  36. 180
  37. 40
  38. 120
  39. 56
  40. 140

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