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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 411 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.30 × 4 =
  2. 2.54 × 4 =
  3. 3.36 × 4 =
  4. 4.17 × 4 =
  5. 5.43 × 4 =
  6. 6.18 × 4 =
  7. 7.6 × 4 =
  8. 8.34 × 4 =
  9. 9.29 × 4 =
  10. 10.12 × 4 =
  11. 11.9 × 4 =
  12. 12.35 × 4 =
  13. 13.31 × 4 =
  14. 14.10 × 4 =
  15. 15.27 × 4 =
  16. 16.38 × 4 =
  17. 17.58 × 4 =
  18. 18.51 × 4 =
  19. 19.26 × 4 =
  20. 20.20 × 4 =
  21. 21.16 × 4 =
  22. 22.11 × 4 =
  23. 23.22 × 4 =
  24. 24.44 × 4 =
  25. 25.55 × 4 =
  26. 26.19 × 4 =
  27. 27.57 × 4 =
  28. 28.45 × 4 =
  29. 29.48 × 4 =
  30. 30.52 × 4 =
  31. 31.46 × 4 =
  32. 32.21 × 4 =
  33. 33.13 × 4 =
  34. 34.53 × 4 =
  35. 35.60 × 4 =
  36. 36.40 × 4 =
  37. 37.37 × 4 =
  38. 38.23 × 4 =
  39. 39.15 × 4 =
  40. 40.56 × 4 =

Answer key

  1. 120
  2. 216
  3. 144
  4. 68
  5. 172
  6. 72
  7. 24
  8. 136
  9. 116
  10. 48
  11. 36
  12. 140
  13. 124
  14. 40
  15. 108
  16. 152
  17. 232
  18. 204
  19. 104
  20. 80
  21. 64
  22. 44
  23. 88
  24. 176
  25. 220
  26. 76
  27. 228
  28. 180
  29. 192
  30. 208
  31. 184
  32. 84
  33. 52
  34. 212
  35. 240
  36. 160
  37. 148
  38. 92
  39. 60
  40. 224

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