Types of Triangles Poster
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Help pupils confidently identify and describe triangle types with this clear maths poster. It brings together names by sides and by angles, diagrams with matching side dashes and angle marks, concise definitions of equilateral, isosceles and scalene and of acute, right and obtuse, plus a worked example of a right-angled isosceles triangle. Ideal for classroom displays, supporting geometry lessons, reinforcing subject vocabulary or providing a quick reference during tasks.
About this resource
Help pupils confidently identify and describe triangle types with this clear maths poster. It brings together names by sides and by angles, diagrams with matching side dashes and angle marks, concise definitions of equilateral, isosceles and scalene and of acute, right and obtuse, plus a worked example of a right-angled isosceles triangle. Ideal for classroom displays, supporting geometry lessons, reinforcing subject vocabulary or providing a quick reference during tasks.
How to use it in class
- Display it on your working wall while you teach the topic
- Point back to it when pupils need a reminder mid-task
- Print it A3 for the wall, or A4 for books and group tables
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