Scale drawing websites:
Click on this site and choose the 7.G.1 for the standard formative assessments, activities and practice test then select "consume" to get to the practice problems.
http://www.orglib.com/7.g-geometry-displayFolderContents_0d1520c2bb_A750B69EA3D04BF69475953C07366FFB.html
Penguins in Peril game. Click on pictures to start.
http://www.what2learn.com/games/play/74018/
Maps and Plans
http://www.bbc.co.uk/skillswise/topic/maps-and-plans
Scale drawing game
http://math4children.com/Grade5/quizzes/Ratios,%20proportions,%20percents/Scale_covertions/Scale%20drawings/index.html
Word problem practice
http://www.ixl.com/math/grade-7/scale-drawings-and-scale-factors
http://www.wartgames.com/themes/math/scaledrawings.html
Scale factor and area visual
http://www.absorblearning.com/media/item.action?quick=i9