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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 309 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.54 × 4 =
  2. 2.13 × 4 =
  3. 3.28 × 4 =
  4. 4.19 × 4 =
  5. 5.46 × 4 =
  6. 6.29 × 4 =
  7. 7.17 × 4 =
  8. 8.44 × 4 =
  9. 9.53 × 4 =
  10. 10.16 × 4 =
  11. 11.60 × 4 =
  12. 12.21 × 4 =
  13. 13.10 × 4 =
  14. 14.50 × 4 =
  15. 15.15 × 4 =
  16. 16.34 × 4 =
  17. 17.52 × 4 =
  18. 18.8 × 4 =
  19. 19.37 × 4 =
  20. 20.41 × 4 =
  21. 21.39 × 4 =
  22. 22.23 × 4 =
  23. 23.48 × 4 =
  24. 24.40 × 4 =
  25. 25.6 × 4 =
  26. 26.24 × 4 =
  27. 27.18 × 4 =
  28. 28.35 × 4 =
  29. 29.45 × 4 =
  30. 30.33 × 4 =
  31. 31.12 × 4 =
  32. 32.47 × 4 =
  33. 33.14 × 4 =
  34. 34.25 × 4 =
  35. 35.9 × 4 =
  36. 36.59 × 4 =
  37. 37.22 × 4 =
  38. 38.7 × 4 =
  39. 39.38 × 4 =
  40. 40.26 × 4 =

Answer key

  1. 216
  2. 52
  3. 112
  4. 76
  5. 184
  6. 116
  7. 68
  8. 176
  9. 212
  10. 64
  11. 240
  12. 84
  13. 40
  14. 200
  15. 60
  16. 136
  17. 208
  18. 32
  19. 148
  20. 164
  21. 156
  22. 92
  23. 192
  24. 160
  25. 24
  26. 96
  27. 72
  28. 140
  29. 180
  30. 132
  31. 48
  32. 188
  33. 56
  34. 100
  35. 36
  36. 236
  37. 88
  38. 28
  39. 152
  40. 104

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