Measurement

aaamath
http://aaamath.com/mea.html
 

Coordinate Geometry

Math.com
http://math.com/school/subject3/lessons/S3U1L2GL.html

Math Cats
http://mathcats.com/crafts/grids.html

Downloadable PowerPoint http://ceres.k12.ca.us/iweb/lessons/Monica%27s%20Math/Coordinate%20Geometry.ppt
 

Extras

Math Goodies Puzzles
http://mathgoodies.com/puzzles/