identify lines, line segments, rays, and angles;

http://www.oswego.org/ocsd-web/games/bananahunt/bhunt.html

http://www.aplusmath.com/cgi-bin/games/geopicture

http://www.manatee.k12.fl.us/sites/elementary/palmasola/mathlabtutan1b.htm

http://www.learnalberta.ca/Launch.aspx?content=%2fcontent%2fmesg%2fhtml%2fmath6web%2fmath6shell.html

http://www.kidport.com/Grade5/Math/MeasureGeo/MeasuringAngles.htm