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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 294 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.56 × 4 =
  2. 2.53 × 4 =
  3. 3.43 × 4 =
  4. 4.46 × 4 =
  5. 5.21 × 4 =
  6. 6.29 × 4 =
  7. 7.41 × 4 =
  8. 8.19 × 4 =
  9. 9.52 × 4 =
  10. 10.24 × 4 =
  11. 11.11 × 4 =
  12. 12.13 × 4 =
  13. 13.47 × 4 =
  14. 14.31 × 4 =
  15. 15.35 × 4 =
  16. 16.26 × 4 =
  17. 17.17 × 4 =
  18. 18.7 × 4 =
  19. 19.30 × 4 =
  20. 20.6 × 4 =
  21. 21.23 × 4 =
  22. 22.14 × 4 =
  23. 23.15 × 4 =
  24. 24.50 × 4 =
  25. 25.34 × 4 =
  26. 26.9 × 4 =
  27. 27.59 × 4 =
  28. 28.45 × 4 =
  29. 29.40 × 4 =
  30. 30.8 × 4 =
  31. 31.16 × 4 =
  32. 32.20 × 4 =
  33. 33.49 × 4 =
  34. 34.39 × 4 =
  35. 35.51 × 4 =
  36. 36.48 × 4 =
  37. 37.22 × 4 =
  38. 38.54 × 4 =
  39. 39.12 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 224
  2. 212
  3. 172
  4. 184
  5. 84
  6. 116
  7. 164
  8. 76
  9. 208
  10. 96
  11. 44
  12. 52
  13. 188
  14. 124
  15. 140
  16. 104
  17. 68
  18. 28
  19. 120
  20. 24
  21. 92
  22. 56
  23. 60
  24. 200
  25. 136
  26. 36
  27. 236
  28. 180
  29. 160
  30. 32
  31. 64
  32. 80
  33. 196
  34. 156
  35. 204
  36. 192
  37. 88
  38. 216
  39. 48
  40. 220

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