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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 337 · 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. 2.16 × 4 =
  3. 3.43 × 4 =
  4. 4.27 × 4 =
  5. 5.56 × 4 =
  6. 6.51 × 4 =
  7. 7.20 × 4 =
  8. 8.35 × 4 =
  9. 9.40 × 4 =
  10. 10.10 × 4 =
  11. 11.42 × 4 =
  12. 12.36 × 4 =
  13. 13.49 × 4 =
  14. 14.8 × 4 =
  15. 15.47 × 4 =
  16. 16.15 × 4 =
  17. 17.7 × 4 =
  18. 18.28 × 4 =
  19. 19.38 × 4 =
  20. 20.21 × 4 =
  21. 21.29 × 4 =
  22. 22.22 × 4 =
  23. 23.11 × 4 =
  24. 24.12 × 4 =
  25. 25.6 × 4 =
  26. 26.55 × 4 =
  27. 27.37 × 4 =
  28. 28.54 × 4 =
  29. 29.13 × 4 =
  30. 30.26 × 4 =
  31. 31.9 × 4 =
  32. 32.14 × 4 =
  33. 33.58 × 4 =
  34. 34.50 × 4 =
  35. 35.44 × 4 =
  36. 36.57 × 4 =
  37. 37.41 × 4 =
  38. 38.31 × 4 =
  39. 39.52 × 4 =
  40. 40.25 × 4 =

Answer key

  1. 68
  2. 64
  3. 172
  4. 108
  5. 224
  6. 204
  7. 80
  8. 140
  9. 160
  10. 40
  11. 168
  12. 144
  13. 196
  14. 32
  15. 188
  16. 60
  17. 28
  18. 112
  19. 152
  20. 84
  21. 116
  22. 88
  23. 44
  24. 48
  25. 24
  26. 220
  27. 148
  28. 216
  29. 52
  30. 104
  31. 36
  32. 56
  33. 232
  34. 200
  35. 176
  36. 228
  37. 164
  38. 124
  39. 208
  40. 100

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