In this excerpt from an upcoming math workbook, your junior detective will make a positive ID on obtuse, acute and right angles.

From angles and congruent shapes to calculating perimeter, this quiz covers variety of topics in third grade geometry.

Kids get to know shapes better by counting their line segments, endpoints, and angles, and record the info in this handy chart.

Once students understand angle basics, challenge them to find missing angles in this exercise!

Learn some basic geometry with this worksheet all about the angle.