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3rd Grade Geometry

This page provides examples of 3rd Grade Geometry Activities aligned with the Common Core State Standards for Mathematics. All activities on this page are suitable for use in Math Centers, small group or whole class settings.  All files are in PDF format and can be accessed using Adobe Reader. For 4th and 5th grade Geometry Activities click on the links below.

3rd Grade Geometry Activities

Reason with shapes and their attributes
3.G1 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.
2D Shape Sort
Geoboard Quadrilaterals
Comparing Quadrilaterals

3.G2 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.

Possible Activities:
Geoboard Fourths
Congruent Eighths
My Fraction Bar Riddle

3rd Grade Geometry Read-Alouds

3rd Grade Geometry Resources

3rd Grade E-Books (click on a cover for more information)

3rd Grade Math Journals
Math Projects Gr. 3-5
3rd Grade Math Vocabulary Resources
3rd Grade Math Journals in Spanish

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