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Types of Triangles  Resource (Free Download)

Suitable for Year groups: 4, 5, 6, 7

Types of Triangles  resource description

This resource is ideal as a classroom poster, as a print out reference for your learners or to display on your IWB for classroom discussion. Depicted are the four main types of triangle: right angled, equilateral, isosceles and scalene, alongside several examples of each.

Types of Triangles

This resource provides a visual guide to classifying triangles based on their angles and side lengths.

 

Why are triangle types important?

Understanding triangle types helps with:

  • Geometry problems: Finding angles, sides, and solving problems.
  • Construction: Designing stable and accurate structures.
  • Real-world shapes: Identifying triangles in objects around us.

 

How can this resource help?

This resource supports learning about triangles through:

  • Clear classification: Covers scalene, isosceles, equilateral, acute, right-angled, and obtuse triangles.
  • Visual diagrams: Illustrate each type with examples.
  • Definitions: Provides simple explanations for each triangle type.
  • Free PDF download: Offers an accessible reference tool.

 

Benefits for learners:

  • Improves shape recognition and vocabulary.
  • Supports understanding of geometric properties.
  • Builds a foundation for advanced geometry concepts.

This resource is perfect for teachers introducing triangle classification. It's also a valuable revision tool for learners or a helpful reference for parents supporting their children's maths learning.

 

Also, have a look at our wide range of worksheets that are specifically curated to help your students practice their skills related to lines and angles. These teaching resources and worksheets are in PDF format and can be downloaded easily.

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