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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 923 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.29 × 4 =
  2. 2.32 × 4 =
  3. 3.19 × 4 =
  4. 4.25 × 4 =
  5. 5.46 × 4 =
  6. 6.39 × 4 =
  7. 7.28 × 4 =
  8. 8.37 × 4 =
  9. 9.26 × 4 =
  10. 10.24 × 4 =
  11. 11.38 × 4 =
  12. 12.27 × 4 =
  13. 13.33 × 4 =
  14. 14.59 × 4 =
  15. 15.11 × 4 =
  16. 16.44 × 4 =
  17. 17.56 × 4 =
  18. 18.22 × 4 =
  19. 19.7 × 4 =
  20. 20.14 × 4 =
  21. 21.18 × 4 =
  22. 22.8 × 4 =
  23. 23.15 × 4 =
  24. 24.17 × 4 =
  25. 25.31 × 4 =
  26. 26.48 × 4 =
  27. 27.6 × 4 =
  28. 28.34 × 4 =
  29. 29.20 × 4 =
  30. 30.41 × 4 =
  31. 31.35 × 4 =
  32. 32.53 × 4 =
  33. 33.45 × 4 =
  34. 34.57 × 4 =
  35. 35.47 × 4 =
  36. 36.52 × 4 =
  37. 37.23 × 4 =
  38. 38.21 × 4 =
  39. 39.28 × 4 =
  40. 40.10 × 4 =

Answer key

  1. 116
  2. 128
  3. 76
  4. 100
  5. 184
  6. 156
  7. 112
  8. 148
  9. 104
  10. 96
  11. 152
  12. 108
  13. 132
  14. 236
  15. 44
  16. 176
  17. 224
  18. 88
  19. 28
  20. 56
  21. 72
  22. 32
  23. 60
  24. 68
  25. 124
  26. 192
  27. 24
  28. 136
  29. 80
  30. 164
  31. 140
  32. 212
  33. 180
  34. 228
  35. 188
  36. 208
  37. 92
  38. 84
  39. 112
  40. 40

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