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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 133 · 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. 2.27 × 4 =
  3. 3.49 × 4 =
  4. 4.31 × 4 =
  5. 5.24 × 4 =
  6. 6.25 × 4 =
  7. 7.36 × 4 =
  8. 8.9 × 4 =
  9. 9.37 × 4 =
  10. 10.39 × 4 =
  11. 11.6 × 4 =
  12. 12.35 × 4 =
  13. 13.38 × 4 =
  14. 14.44 × 4 =
  15. 15.14 × 4 =
  16. 16.28 × 4 =
  17. 17.8 × 4 =
  18. 18.18 × 4 =
  19. 19.54 × 4 =
  20. 20.11 × 4 =
  21. 21.19 × 4 =
  22. 22.51 × 4 =
  23. 23.52 × 4 =
  24. 24.47 × 4 =
  25. 25.29 × 4 =
  26. 26.53 × 4 =
  27. 27.16 × 4 =
  28. 28.55 × 4 =
  29. 29.7 × 4 =
  30. 30.26 × 4 =
  31. 31.42 × 4 =
  32. 32.45 × 4 =
  33. 33.43 × 4 =
  34. 34.10 × 4 =
  35. 35.23 × 4 =
  36. 36.56 × 4 =
  37. 37.50 × 4 =
  38. 38.30 × 4 =
  39. 39.60 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 52
  2. 108
  3. 196
  4. 124
  5. 96
  6. 100
  7. 144
  8. 36
  9. 148
  10. 156
  11. 24
  12. 140
  13. 152
  14. 176
  15. 56
  16. 112
  17. 32
  18. 72
  19. 216
  20. 44
  21. 76
  22. 204
  23. 208
  24. 188
  25. 116
  26. 212
  27. 64
  28. 220
  29. 28
  30. 104
  31. 168
  32. 180
  33. 172
  34. 40
  35. 92
  36. 224
  37. 200
  38. 120
  39. 240
  40. 228

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