Quadrilateral and Triangle Hierarchy: Reference Sheets and Sort Cards

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These Quadrilateral and Triangle Hierarchy Activities are the perfect addition to your 5th grade math classroom! Students will learn about polygons as they sort quadrilaterals and triangles. These hands-on activities TREMENDOUSLY improved my student understanding during our Classifying Polygons Unit.

Here is a blog post about how I teach this unit!

These 2-D Figures Resources Include:

  • Quadrilateral Hierarchy Reference Sheet: Inclusive and Exclusive Definition of a Trapezoid
  • Triangle Hierarchy Reference Sheet
  • Sort Cards for both quadrilaterals and triangles
  • Large version of the sort cards to use on your whiteboard or a bulletin board

Common Core Aligned: 5.G.B.4, 5.G.B.3

More Classifying Polygons Resources:

  1. PowerPoint Lesson: 177 Slides broken into 6 different lessons
  2. 5th Grade Geometry Standards Interactive Notebook
  3. Classifying Polygons Worksheets
  4. Quadrilateral Discovery Activity: FREE!
  5. Triangle Task Cards: Print and Digital
  6. Geometry Vocabulary Reference Sheet
  7. 2-Dimensional Figures Task Cards: Print and Digital
  8. Polygon Hierarchies Sort: Print and Digital
  9. Geometry "Guess it" Game
  10. Small Group Sort Cards
  11. Classifying Polygons Unit Test OR Study Guide

✔ Save $$: Classifying Polygons, Quadrilaterals, and Triangles Unit

Do you want your students to Love ❤️ Learning Math?

Check out these other resources:

Whole Number Division (NBT Standards)

Expressions, Variables, and Order of Operations (OA Standards)

Coordinate Planes and Numerical Patterns (OA Standards)

Line Plots


Fractions Bundle

Fifth Grade Constructed Response Sheets

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Math Interactive Notebook Bundle

Math PowerPoint Lessons Bundle

5th Grade Math Units for the YEAR

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Total Pages
28 Printable Pages
Answer Key
Teaching Duration
1 Week
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to see state-specific standards (only available in the US).
Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
Classify two-dimensional figures in a hierarchy based on properties.


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