Triangles Sort Activity

Cut-and-fold triangle activity: students name four triangles, describe their properties and draw an object of the same shape, then cut, glue and fold the page into flaps that lift to show their notes.
Grades
Grades 2–9
Pages
2
File type
PDF
Preparation
Print ready

Updated Oct 26, 2026

Subject
Geometry, Math
Topic
Triangles Sort Activity, Triangles Sort
Resource types
Activities
Preparation
Print ready

From the author

About this resource

Activity Introduction

An amazing activity designed for the students to learn more about STEM.

Triangles Sort

Do you like STEM subjects? what is your favourite one?

Have you ever tried to plant a seed? If yes, tell us more about it.

Or have you ever tried to invent something? If yes, tell us more about it. And how do you think it will help us?

Have you ever seen a microorganism under a microscope? What was it? And how it looked like?

Mathematics is a marvellous subject. Let's sharpen our brains and solve some equations.

Do you like timetable tricks? What is your favourite one?

Do you know how to code? Have you ever created an app or a game before? If yes, how was it like?

The activity is perfect for encouraging the researching skills for the students, while learning more about this fantastic topic.

Triangles Sort

This friendly designed worksheet is suitable for students at school, homeschooling, and as a group activity.

Instructions

  1. Complete the information about triangles.

  2. Cut everything out and glue figure 3 at the back of figure 1 as shown in the diagram.

  3. Cut along the dashed lines.

  4. Gently open the squares to reveal information about each type of triangle.

Format

Available in a PDF format.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Name and describe the properties of different types of triangles

  • Connect triangle types to real-world objects

Teaching tips

  • Walk through the assembly diagram first, since Figure 3 is glued to the back of Figure 1 before cutting along the dashed lines

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