Surface Area and Volume
Surface Area
Lesson
Practice
http://www.learner.org/interactives/geometry/area_surface.html
http://www.brainingcamp.com/legacy/content/concepts/surface-area/manipulative.php
Practice Nets
Practice Prisms
https://www.brainingcamp.com/legacy/content/concepts/surface-area/lesson.php
http://ca.ixl.com/math/grade-7/surface-area
Volume
Lesson - Study Jams
http://studyjams.scholastic.com/studyjams/jams/math/measurement/volume.htm
Lesson
http://www.asset.asu.edu/new/mathactive/lessons/148/look.swf
Volume Lesson
https://www.youtube.com/watch?v=a8YLrKTer5M
Practice
http://www.interactivestuff.org/sums4fun/3dboxes.html
Games
http://www.sheppardsoftware.com/mathgames/geometry/shapeshoot/VolumeShapesShoot.htm