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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 950 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.22 × 4 =
  3. 3.28 × 4 =
  4. 4.48 × 4 =
  5. 5.32 × 4 =
  6. 6.19 × 4 =
  7. 7.47 × 4 =
  8. 8.41 × 4 =
  9. 9.60 × 4 =
  10. 10.8 × 4 =
  11. 11.23 × 4 =
  12. 12.7 × 4 =
  13. 13.40 × 4 =
  14. 14.52 × 4 =
  15. 15.36 × 4 =
  16. 16.15 × 4 =
  17. 17.21 × 4 =
  18. 18.38 × 4 =
  19. 19.18 × 4 =
  20. 20.58 × 4 =
  21. 21.39 × 4 =
  22. 22.27 × 4 =
  23. 23.11 × 4 =
  24. 24.35 × 4 =
  25. 25.51 × 4 =
  26. 26.50 × 4 =
  27. 27.25 × 4 =
  28. 28.43 × 4 =
  29. 29.17 × 4 =
  30. 30.10 × 4 =
  31. 31.59 × 4 =
  32. 32.14 × 4 =
  33. 33.30 × 4 =
  34. 34.34 × 4 =
  35. 35.29 × 4 =
  36. 36.57 × 4 =
  37. 37.53 × 4 =
  38. 38.37 × 4 =
  39. 39.13 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 176
  2. 88
  3. 112
  4. 192
  5. 128
  6. 76
  7. 188
  8. 164
  9. 240
  10. 32
  11. 92
  12. 28
  13. 160
  14. 208
  15. 144
  16. 60
  17. 84
  18. 152
  19. 72
  20. 232
  21. 156
  22. 108
  23. 44
  24. 140
  25. 204
  26. 200
  27. 100
  28. 172
  29. 68
  30. 40
  31. 236
  32. 56
  33. 120
  34. 136
  35. 116
  36. 228
  37. 212
  38. 148
  39. 52
  40. 24

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