Quadrilaterals Reference Chart – 2D Shapes Poster
- Year groups
- Lower Secondary, Primary, Years 4–7
- Pages
- 2
- File type
- Preparation
- Print ready
- Subject
- Geometry, Maths
- Topic
- Quadrilaterals, 2D Shapes
- Resource types
- Charts, Anchor Charts, Posters, Classroom Decor
- Preparation
- Print ready
From the author
About this resource
Quadrilaterals Reference Chart
Understanding polygons has never been easier. This reference chart provides a clear, organized view of the main types of polygons, helping students identify and compare them based on their sides, angles, and special properties. The chart comes in a full-colour version, which works beautifully on classroom walls, whiteboards, or even for digital displays. There is also a black-and-white version, perfect for student binders, interactive notebooks, or individual study sheets, so students can have a handy reference at their desks.
This resource is great for lessons on 2D shapes and polygons classification. It is especially helpful for visual learners who benefit from seeing concepts illustrated clearly, and it can enhance maths centres, classroom displays, or study materials. Using the chart regularly helps students build confidence in recognizing and naming different polygons types while reinforcing essential geometry vocabulary. Teachers will also appreciate the convenience, since the chart is ready to print and use immediately. It is best suited for students in grades 3 through 6, but it can also serve as a useful review for older students. Whether displayed in colour on the maths wall or printed in black-and-white for student reference, this chart is a flexible and practical addition to any geometry unit or STEM resource collection.
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In the classroom
Teaching tips & learning objectives
Learning objectives
Students will identify a quadrilateral (square, rectangle, parallelogram, rhombus, trapezoid, or kite) from its listed side and angle properties.
Students will compare two quadrilaterals by the properties they share and the properties that differentiate them (e.g., square vs. rectangle, square vs. rhombus).
Teaching tips
Post the chart at eye level near the classroom's geometry wall so students can check the six quadrilateral definitions while working other tasks.
Use the shared and differing properties — squares and rectangles both list four 90° interior angles, while squares and rhombuses both list four equal sides — to prompt a compare-and-contrast discussion rather than isolated memorization.
Introduce the chart at the start of a quadrilateral-classification unit, since it functions as a lookup reference rather than a graded task.
Skills covered
Quadrilateral property recognition — matching a shape to its defining side-length, parallelism, and angle properties as printed on the chart.
Shape classification reasoning — distinguishing quadrilaterals that share some properties (e.g., squares and rectangles both have four 90° angles) but not others.
Geometry vocabulary — using terms such as parallel, opposite sides, interior angle, and adjacent sides as they appear on the chart.
Good to know
Questions teachers ask about this resource
How does the chart distinguish a square from a rhombus?
Both are listed with four equal sides and parallel opposite sides, but the square's entry also states all interior angles are 90°, a property the rhombus entry does not include.
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Resource details
Concepts & topics
Core concepts
Core concepts
Quadrilaterals
Geometric properties
Parallel sides
Interior angles
Topics
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