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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 516 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.8 × 4 =
  3. 3.31 × 4 =
  4. 4.40 × 4 =
  5. 5.19 × 4 =
  6. 6.26 × 4 =
  7. 7.7 × 4 =
  8. 8.39 × 4 =
  9. 9.12 × 4 =
  10. 10.50 × 4 =
  11. 11.49 × 4 =
  12. 12.51 × 4 =
  13. 13.33 × 4 =
  14. 14.32 × 4 =
  15. 15.6 × 4 =
  16. 16.43 × 4 =
  17. 17.34 × 4 =
  18. 18.28 × 4 =
  19. 19.42 × 4 =
  20. 20.58 × 4 =
  21. 21.44 × 4 =
  22. 22.41 × 4 =
  23. 23.57 × 4 =
  24. 24.54 × 4 =
  25. 25.13 × 4 =
  26. 26.18 × 4 =
  27. 27.30 × 4 =
  28. 28.22 × 4 =
  29. 29.35 × 4 =
  30. 30.11 × 4 =
  31. 31.9 × 4 =
  32. 32.53 × 4 =
  33. 33.14 × 4 =
  34. 34.37 × 4 =
  35. 35.20 × 4 =
  36. 36.25 × 4 =
  37. 37.38 × 4 =
  38. 38.56 × 4 =
  39. 39.27 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 68
  2. 32
  3. 124
  4. 160
  5. 76
  6. 104
  7. 28
  8. 156
  9. 48
  10. 200
  11. 196
  12. 204
  13. 132
  14. 128
  15. 24
  16. 172
  17. 136
  18. 112
  19. 168
  20. 232
  21. 176
  22. 164
  23. 228
  24. 216
  25. 52
  26. 72
  27. 120
  28. 88
  29. 140
  30. 44
  31. 36
  32. 212
  33. 56
  34. 148
  35. 80
  36. 100
  37. 152
  38. 224
  39. 108
  40. 60

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