HDTV Surprise!
Number Sense Geometry
  How were your holidays?  Your school vacation?  Mine was good. I surprised my family with this HDTV, which I wrapped and hung on our wall.  The size of an HDTV is determined by ...
proportion ratio Pythagorean Theorem scale 7.G.1 HDTV 7.RP.3 8.G.7 7th 8th HS HSG-SRT.C.8