What’s the point? Coordinates – choose level
http://www.funbrain.com/co/index.html

Pattern blocks
Pentiminoes
http://nlvm.usu.edu/en/nav/grade_g_1.html

Polyominoes
Attribute blocks
http://nlvm.usu.edu/en/nav/grade_g_1.html

Reflections, rotations and translations
http://nlvm.usu.edu/en/nav/grade_g_1.html

PBS Kids Cyberchase has changed. This link will lead you to all their games. Your teacher will direct you which one to click on. 

http://pbskids.org/cyberchase/math-games/