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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 541 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.54 × 4 =
  3. 3.20 × 4 =
  4. 4.27 × 4 =
  5. 5.6 × 4 =
  6. 6.45 × 4 =
  7. 7.34 × 4 =
  8. 8.26 × 4 =
  9. 9.17 × 4 =
  10. 10.22 × 4 =
  11. 11.24 × 4 =
  12. 12.8 × 4 =
  13. 13.48 × 4 =
  14. 14.58 × 4 =
  15. 15.35 × 4 =
  16. 16.18 × 4 =
  17. 17.38 × 4 =
  18. 18.21 × 4 =
  19. 19.32 × 4 =
  20. 20.50 × 4 =
  21. 21.29 × 4 =
  22. 22.40 × 4 =
  23. 23.14 × 4 =
  24. 24.25 × 4 =
  25. 25.19 × 4 =
  26. 26.55 × 4 =
  27. 27.28 × 4 =
  28. 28.30 × 4 =
  29. 29.33 × 4 =
  30. 30.52 × 4 =
  31. 31.43 × 4 =
  32. 32.10 × 4 =
  33. 33.59 × 4 =
  34. 34.56 × 4 =
  35. 35.15 × 4 =
  36. 36.42 × 4 =
  37. 37.37 × 4 =
  38. 38.57 × 4 =
  39. 39.13 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 36
  2. 216
  3. 80
  4. 108
  5. 24
  6. 180
  7. 136
  8. 104
  9. 68
  10. 88
  11. 96
  12. 32
  13. 192
  14. 232
  15. 140
  16. 72
  17. 152
  18. 84
  19. 128
  20. 200
  21. 116
  22. 160
  23. 56
  24. 100
  25. 76
  26. 220
  27. 112
  28. 120
  29. 132
  30. 208
  31. 172
  32. 40
  33. 236
  34. 224
  35. 60
  36. 168
  37. 148
  38. 228
  39. 52
  40. 28

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