Imperial systems

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Intros
Lessons
  1. What are Imperial systems?
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Examples
Lessons
  1. Converting the imperial units
    1. 43 ft = _____ yd
    2. 530 in = _____ mi
    3. 50 yd = _____ mi
  2. Add or subtract different imperial units
    1. 250 in + 345 yd - 0.005 mi = _____ ft
    2. 0.03 mi + 400 ft - 5000 in = _____ yd
    3. 0.3 mi - 500 ft + 2345 in = ____ mi = _____ yd = ______ ft