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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 65 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.41 × 4 =
  3. 3.14 × 4 =
  4. 4.42 × 4 =
  5. 5.46 × 4 =
  6. 6.18 × 4 =
  7. 7.27 × 4 =
  8. 8.15 × 4 =
  9. 9.60 × 4 =
  10. 10.51 × 4 =
  11. 11.10 × 4 =
  12. 12.13 × 4 =
  13. 13.59 × 4 =
  14. 14.38 × 4 =
  15. 15.43 × 4 =
  16. 16.16 × 4 =
  17. 17.57 × 4 =
  18. 18.24 × 4 =
  19. 19.48 × 4 =
  20. 20.28 × 4 =
  21. 21.37 × 4 =
  22. 22.58 × 4 =
  23. 23.45 × 4 =
  24. 24.12 × 4 =
  25. 25.50 × 4 =
  26. 26.44 × 4 =
  27. 27.11 × 4 =
  28. 28.19 × 4 =
  29. 29.29 × 4 =
  30. 30.35 × 4 =
  31. 31.6 × 4 =
  32. 32.22 × 4 =
  33. 33.25 × 4 =
  34. 34.17 × 4 =
  35. 35.40 × 4 =
  36. 36.53 × 4 =
  37. 37.34 × 4 =
  38. 38.39 × 4 =
  39. 39.21 × 4 =
  40. 40.56 × 4 =

Answer key

  1. 196
  2. 164
  3. 56
  4. 168
  5. 184
  6. 72
  7. 108
  8. 60
  9. 240
  10. 204
  11. 40
  12. 52
  13. 236
  14. 152
  15. 172
  16. 64
  17. 228
  18. 96
  19. 192
  20. 112
  21. 148
  22. 232
  23. 180
  24. 48
  25. 200
  26. 176
  27. 44
  28. 76
  29. 116
  30. 140
  31. 24
  32. 88
  33. 100
  34. 68
  35. 160
  36. 212
  37. 136
  38. 156
  39. 84
  40. 224

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