Guided Math Study Group: Apps to Build Number Sense
Oh yes, Love this site! Math Coach's Corner: website with lots of great math activities & info. Remember to make problem solving anchor chart.
Some great resources and ideas for teaching angles, triangles and geometry in middle school classrooms
My Spin on Symmetry - Math in the Middle
This series is so helpful if you're just starting guided math groups--can apply to any grade level!
Angles, Triangles, and the Start of Geometry in Grade Math!