Comparing & classifying isosceles and scalene triangles

In this lesson, we will compare different triangles and introduce isosceles and scalene triangles.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which properties do all triangles have?

1/6

Q2.What is the name given to a regular triangle?

2/6

Q3.Which of the statements best describe an equilateral triangle?

3/6

Q4.Which statement best describes a right angled triangle

4/6

Q5.It is possible to create a large equilateral triangle from either...

5/6

Q6.If a triangle has the angles: 60 degrees and 30 degrees, what is the 3rd angle?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which properties do all triangles have?

1/6

Q2.What is the name given to a regular triangle?

2/6

Q3.Which of the statements best describe an equilateral triangle?

3/6

Q4.Which statement best describes a right angled triangle

4/6

Q5.It is possible to create a large equilateral triangle from either...

5/6

Q6.If a triangle has the angles: 60 degrees and 30 degrees, what is the 3rd angle?

6/6

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Comparing and classifying isosceles and scalene triangles

Questions that test your knowledge on 2 types of triangles (isosceles & scalene triangles)

Q1.What is the name given to a triangle with 3 equal sides?

1/5

Q2.What is the name given to a triangle which has the following three angles: 80°, 40° and 60° ?

2/5

Q3.If a triangle has the angles of 90° and 60°, what is the third angle?

3/5

Q4.Which of these are NOT interior angles of a triangle?

Select two (2) boxes

4/5

Q5.A right angled triangle can also be ...

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Comparing and classifying isosceles and scalene triangles

Questions that test your knowledge on 2 types of triangles (isosceles & scalene triangles)

Q1.What is the name given to a triangle with 3 equal sides?

1/5

Q2.What is the name given to a triangle which has the following three angles: 80°, 40° and 60° ?

2/5

Q3.If a triangle has the angles of 90° and 60°, what is the third angle?

3/5

Q4.Which of these are NOT interior angles of a triangle?

Select two (2) boxes

4/5

Q5.A right angled triangle can also be ...

5/5

Lesson summary: Comparing & classifying isosceles and scalene triangles

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