Provided below are math resources that align with the Geometry and Measurement cluster for third grade mathematics.
Plane Figures: 2D
Names and Properties
Perimeter and Area
Solid Figures 3D
Names and Properties
Faces, Vertices and Edges
Manipulate to See Different Views with Real Shapes
Measurement
Metric and Customary Systems
Proper Units for Length, Weight, Capacity, and Time
Degree of Accuracy