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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 978 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.46 × 4 =
  3. 3.45 × 4 =
  4. 4.30 × 4 =
  5. 5.26 × 4 =
  6. 6.40 × 4 =
  7. 7.53 × 4 =
  8. 8.12 × 4 =
  9. 9.41 × 4 =
  10. 10.56 × 4 =
  11. 11.33 × 4 =
  12. 12.25 × 4 =
  13. 13.7 × 4 =
  14. 14.51 × 4 =
  15. 15.43 × 4 =
  16. 16.9 × 4 =
  17. 17.59 × 4 =
  18. 18.29 × 4 =
  19. 19.28 × 4 =
  20. 20.20 × 4 =
  21. 21.11 × 4 =
  22. 22.35 × 4 =
  23. 23.48 × 4 =
  24. 24.18 × 4 =
  25. 25.38 × 4 =
  26. 26.58 × 4 =
  27. 27.15 × 4 =
  28. 28.32 × 4 =
  29. 29.37 × 4 =
  30. 30.22 × 4 =
  31. 31.50 × 4 =
  32. 32.31 × 4 =
  33. 33.21 × 4 =
  34. 34.16 × 4 =
  35. 35.27 × 4 =
  36. 36.54 × 4 =
  37. 37.19 × 4 =
  38. 38.39 × 4 =
  39. 39.47 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 56
  2. 184
  3. 180
  4. 120
  5. 104
  6. 160
  7. 212
  8. 48
  9. 164
  10. 224
  11. 132
  12. 100
  13. 28
  14. 204
  15. 172
  16. 36
  17. 236
  18. 116
  19. 112
  20. 80
  21. 44
  22. 140
  23. 192
  24. 72
  25. 152
  26. 232
  27. 60
  28. 128
  29. 148
  30. 88
  31. 200
  32. 124
  33. 84
  34. 64
  35. 108
  36. 216
  37. 76
  38. 156
  39. 188
  40. 24

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