
Reason with shapes and their attributes
3.G.1 Understand that shapes in different categories (e.g.,
rhombuses, rectangles, and others) may share attributes (e.g., having
four sides), and that the shared attributes can define a larger category
(e.g. quadrilaterals). Recognize rhombuses, rectangles, and squares as
examples of quadrilaterals, and draw examples of quadrilaterals that do
not belong to any of these subcategories.
Sample Activities:
Shape Match
Quadrilateral Riddle
Also included in 3rd Grade Math Centers
** Geoboard Squares
** Comparing Quadrilaterals
** Classify Shapes Using a Venn Diagram
3.G.2 Partition shapes into parts with equal areas. Express the
area of each part as a unit fraction of the whole. For example,
partition a shape into 4 parts with equal area, and describe the area of
each part as 1/4 of the area of the shape.
Sample Activity:
Partition a Square (ver. 1)
Also included in 3rd Grade Math Centers
** Partition a Square (ver. 2)
** Partition a Square (ver. 3)
** Partition Shapes