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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 34 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.52 × 4 =
  3. 3.27 × 4 =
  4. 4.49 × 4 =
  5. 5.50 × 4 =
  6. 6.55 × 4 =
  7. 7.21 × 4 =
  8. 8.43 × 4 =
  9. 9.36 × 4 =
  10. 10.22 × 4 =
  11. 11.6 × 4 =
  12. 12.35 × 4 =
  13. 13.8 × 4 =
  14. 14.20 × 4 =
  15. 15.24 × 4 =
  16. 16.9 × 4 =
  17. 17.13 × 4 =
  18. 18.31 × 4 =
  19. 19.17 × 4 =
  20. 20.37 × 4 =
  21. 21.12 × 4 =
  22. 22.57 × 4 =
  23. 23.54 × 4 =
  24. 24.10 × 4 =
  25. 25.18 × 4 =
  26. 26.60 × 4 =
  27. 27.45 × 4 =
  28. 28.32 × 4 =
  29. 29.38 × 4 =
  30. 30.26 × 4 =
  31. 31.47 × 4 =
  32. 32.59 × 4 =
  33. 33.14 × 4 =
  34. 34.33 × 4 =
  35. 35.28 × 4 =
  36. 36.7 × 4 =
  37. 37.53 × 4 =
  38. 38.56 × 4 =
  39. 39.40 × 4 =
  40. 40.19 × 4 =

Answer key

  1. 60
  2. 208
  3. 108
  4. 196
  5. 200
  6. 220
  7. 84
  8. 172
  9. 144
  10. 88
  11. 24
  12. 140
  13. 32
  14. 80
  15. 96
  16. 36
  17. 52
  18. 124
  19. 68
  20. 148
  21. 48
  22. 228
  23. 216
  24. 40
  25. 72
  26. 240
  27. 180
  28. 128
  29. 152
  30. 104
  31. 188
  32. 236
  33. 56
  34. 132
  35. 112
  36. 28
  37. 212
  38. 224
  39. 160
  40. 76

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