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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 446 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.41 × 4 =
  3. 3.12 × 4 =
  4. 4.26 × 4 =
  5. 5.23 × 4 =
  6. 6.14 × 4 =
  7. 7.33 × 4 =
  8. 8.29 × 4 =
  9. 9.40 × 4 =
  10. 10.17 × 4 =
  11. 11.18 × 4 =
  12. 12.24 × 4 =
  13. 13.34 × 4 =
  14. 14.59 × 4 =
  15. 15.58 × 4 =
  16. 16.16 × 4 =
  17. 17.60 × 4 =
  18. 18.52 × 4 =
  19. 19.37 × 4 =
  20. 20.35 × 4 =
  21. 21.6 × 4 =
  22. 22.56 × 4 =
  23. 23.11 × 4 =
  24. 24.50 × 4 =
  25. 25.30 × 4 =
  26. 26.8 × 4 =
  27. 27.43 × 4 =
  28. 28.22 × 4 =
  29. 29.21 × 4 =
  30. 30.13 × 4 =
  31. 31.27 × 4 =
  32. 32.48 × 4 =
  33. 33.51 × 4 =
  34. 34.49 × 4 =
  35. 35.19 × 4 =
  36. 36.42 × 4 =
  37. 37.9 × 4 =
  38. 38.32 × 4 =
  39. 39.36 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 124
  2. 164
  3. 48
  4. 104
  5. 92
  6. 56
  7. 132
  8. 116
  9. 160
  10. 68
  11. 72
  12. 96
  13. 136
  14. 236
  15. 232
  16. 64
  17. 240
  18. 208
  19. 148
  20. 140
  21. 24
  22. 224
  23. 44
  24. 200
  25. 120
  26. 32
  27. 172
  28. 88
  29. 84
  30. 52
  31. 108
  32. 192
  33. 204
  34. 196
  35. 76
  36. 168
  37. 36
  38. 128
  39. 144
  40. 112

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