The 3rd Graded Guided Math Curriculum addresses all of the 3rd grade geometry standards. Save 40% when you purchase Unit 7. If you purchase individually, this unit has a value of $21. Mini-unit 1 includes in-depth exploration of flat (2 dimensional) shapes, polygons and their attributes, and categories of quadrilaterals. There is also a bonus lesson on the attributes of most of the major solid (3 dimensional) shapes for our Texas teachers. Mini-Unit 2 covers partitioning shapes into equal sha