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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 83 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.8 × 4 =
  3. 3.7 × 4 =
  4. 4.31 × 4 =
  5. 5.15 × 4 =
  6. 6.46 × 4 =
  7. 7.27 × 4 =
  8. 8.59 × 4 =
  9. 9.54 × 4 =
  10. 10.20 × 4 =
  11. 11.17 × 4 =
  12. 12.11 × 4 =
  13. 13.23 × 4 =
  14. 14.34 × 4 =
  15. 15.19 × 4 =
  16. 16.30 × 4 =
  17. 17.43 × 4 =
  18. 18.39 × 4 =
  19. 19.12 × 4 =
  20. 20.52 × 4 =
  21. 21.40 × 4 =
  22. 22.28 × 4 =
  23. 23.51 × 4 =
  24. 24.10 × 4 =
  25. 25.53 × 4 =
  26. 26.35 × 4 =
  27. 27.41 × 4 =
  28. 28.44 × 4 =
  29. 29.36 × 4 =
  30. 30.32 × 4 =
  31. 31.49 × 4 =
  32. 32.14 × 4 =
  33. 33.22 × 4 =
  34. 34.26 × 4 =
  35. 35.16 × 4 =
  36. 36.42 × 4 =
  37. 37.24 × 4 =
  38. 38.45 × 4 =
  39. 39.56 × 4 =
  40. 40.21 × 4 =

Answer key

  1. 192
  2. 32
  3. 28
  4. 124
  5. 60
  6. 184
  7. 108
  8. 236
  9. 216
  10. 80
  11. 68
  12. 44
  13. 92
  14. 136
  15. 76
  16. 120
  17. 172
  18. 156
  19. 48
  20. 208
  21. 160
  22. 112
  23. 204
  24. 40
  25. 212
  26. 140
  27. 164
  28. 176
  29. 144
  30. 128
  31. 196
  32. 56
  33. 88
  34. 104
  35. 64
  36. 168
  37. 96
  38. 180
  39. 224
  40. 84

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