Courses
Courses for Kids
Free study material
Offline Centres
More
Store Icon
Store

Classifying Triangles in Grade 5 Maths

ffImage
banner

Types of Triangles and How to Identify Them

Welcome to the Class 5 Maths Classifying Triangles worksheet! This page helps you easily learn how to identify triangles by both their sides and angles, such as equilateral, isosceles, scalene, right, acute, and obtuse triangles.


With simple activities and clear diagrams, you’ll get to sort, match, and name different types of triangles. Practice understanding properties of triangles and sharpen your geometry basics, all in a fun and visual way. Each exercise is designed for Grade 5 learners, making it great for classwork or revision at home.


Download the free, printable PDF worksheet for stress-free maths practice. Teachers and parents can use this to boost confidence and help students master triangle classification—an important concept in the Grade 5 maths curriculum and exams.

How This Worksheet Helps You Learn?

The Class 5 Maths Classifying Triangles worksheet supports students in identifying different types of triangles based on their sides and angles. This printable worksheet is designed for Grade 5 geometry and offers structured practice using equilateral, isosceles, scalene, acute, right, and obtuse triangles. Each PDF practice sheet strengthens understanding of triangle classification, helping learners build confidence in this foundational geometry skill.

By working through triangle classification questions, students enhance their visual recognition and geometric reasoning. The worksheet’s clear layout and diagrams ensure that class 5 maths concepts are accessible for independent study, homework revision, or classroom activities. Regular practice using this worksheet helps reinforce important properties of triangles and boosts overall maths performance.


How to Use This Triangle Worksheet

  • Encourage your child to name each triangle based on side lengths and angles before checking with the answer key.
  • Use the worksheet’s diagrams for quick group activities or quizzes in class—perfect for practice or assessment.
  • Print extra copies of the PDF practice sheet for revision or to target triangles your child finds most challenging.
  • Let students color or label triangle images to make visual learning more interactive and memorable.

Discover More Geometry Worksheets


What You Learned

On this page, you explored the Class 5 Maths Classifying Triangles worksheet—a printable PDF that helps students master the identification and naming of triangles. The worksheet includes diagrams and questions about equilateral, scalene, isosceles, acute, right, and obtuse triangles. Regular practice with this triangle classification worksheet builds a strong foundation in geometry and improves confidence in Grade 5 students.

FAQs on Classifying Triangles in Grade 5 Maths

1. What are the main classifications of triangles for Class 5?

Triangles are mainly classified in two ways: based on the length of their sides and the measure of their angles. This is a fundamental concept in Grade 5 geometry.

  • Classification by Sides: Equilateral, Isosceles, and Scalene triangles.
  • Classification by Angles: Acute, Right, and Obtuse triangles.

2. How do you classify triangles by their sides?

You can classify triangles by comparing the lengths of their three sides. The three types of triangles based on sides are:

  • Equilateral Triangle: A triangle where all three sides are of equal length.
  • Isosceles Triangle: A triangle with two sides of equal length.
  • Scalene Triangle: A triangle where all three sides have different lengths.

3. How do you classify triangles by their angles?

You can classify triangles by examining their interior angles. The three types of triangles based on angles are:

  • Acute Triangle: A triangle where all three angles are acute (less than 90°).
  • Right Triangle: A triangle that has one right angle (exactly 90°).
  • Obtuse Triangle: A triangle that has one obtuse angle (greater than 90°).

4. What is a triangle for Class 5 students?

For a Class 5 student, a triangle is a simple closed shape, or a polygon, made of three straight lines and having three angles. Learning to identify the types of triangles is a key part of the geometry syllabus.

5. What are the 7 types of triangles?

The main types of triangles, often taught in Class 5, can be grouped into seven classifications. This includes three types by side, three by angle, and one that fits both categories.

  • By Sides: Equilateral, Isosceles, Scalene.
  • By Angles: Acute, Right, Obtuse.
  • By Both: A Right Isosceles triangle is an example where a triangle has both a right angle and two equal sides.

6. How can I use this worksheet at home?

This Class 5 Maths worksheet is perfect for homework help and concept reinforcement at home. Simply download the free printable PDF, print it out, and let your child solve the problems to practise identifying and classifying triangles.

7. Does this classifying triangles worksheet include an answer key?

Yes, an answer key is typically included with the worksheet. This allows parents and students to easily check the answers, which supports self-learning and helps identify areas that need more practice in triangle classification.

8. What is the difference between an equilateral and an isosceles triangle?

The main difference lies in the number of equal sides. An equilateral triangle has all three sides equal, whereas an isosceles triangle has only two sides equal. A scalene triangle has no equal sides.

9. Is this worksheet printable?

Absolutely. This worksheet on types of triangles for grade 5 is designed as a print-friendly, downloadable PDF. It is formatted for clear printing so students can easily work on it with a pencil at home or in the classroom.

10. What skills are built by this triangle classification activity?

This worksheet helps build essential geometry basics and visual learning skills for Grade 5 students. Key skills include:

  • Identifying shapes based on properties.
  • Understanding the difference between acute, obtuse, and right angles.
  • Reinforcing key vocabulary like equilateral, isosceles, and scalene.
  • Developing problem-solving and analytical skills in mathematics.