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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 529 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.13 × 4 =
  2. 2.33 × 4 =
  3. 3.58 × 4 =
  4. 4.32 × 4 =
  5. 5.11 × 4 =
  6. 6.56 × 4 =
  7. 7.22 × 4 =
  8. 8.44 × 4 =
  9. 9.24 × 4 =
  10. 10.49 × 4 =
  11. 11.55 × 4 =
  12. 12.45 × 4 =
  13. 13.20 × 4 =
  14. 14.26 × 4 =
  15. 15.54 × 4 =
  16. 16.28 × 4 =
  17. 17.47 × 4 =
  18. 18.38 × 4 =
  19. 19.16 × 4 =
  20. 20.8 × 4 =
  21. 21.10 × 4 =
  22. 22.23 × 4 =
  23. 23.34 × 4 =
  24. 24.46 × 4 =
  25. 25.41 × 4 =
  26. 26.27 × 4 =
  27. 27.42 × 4 =
  28. 28.7 × 4 =
  29. 29.31 × 4 =
  30. 30.29 × 4 =
  31. 31.12 × 4 =
  32. 32.39 × 4 =
  33. 33.40 × 4 =
  34. 34.50 × 4 =
  35. 35.48 × 4 =
  36. 36.9 × 4 =
  37. 37.14 × 4 =
  38. 38.59 × 4 =
  39. 39.60 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 52
  2. 132
  3. 232
  4. 128
  5. 44
  6. 224
  7. 88
  8. 176
  9. 96
  10. 196
  11. 220
  12. 180
  13. 80
  14. 104
  15. 216
  16. 112
  17. 188
  18. 152
  19. 64
  20. 32
  21. 40
  22. 92
  23. 136
  24. 184
  25. 164
  26. 108
  27. 168
  28. 28
  29. 124
  30. 116
  31. 48
  32. 156
  33. 160
  34. 200
  35. 192
  36. 36
  37. 56
  38. 236
  39. 240
  40. 140

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