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Geometry and 2D Shapes: Comparing Triangles

In this worksheet, students identify right-angled, isosceles, equilateral and scalene triangles.

'Geometry and 2D Shapes: Comparing Triangles' worksheet

Key stage:  KS 2

Curriculum topic:  Geometry: Properties of Shapes

Curriculum subtopic:  Compare Geometric Shapes

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

There are four different types of triangle.

 

Right-Angled Triangle

RIGHT-ANGLED triangle has one right-angle.

 

Equilateral Triangle

An EQUILATERAL triangle has three equal sides and three equal angles.

 

Isosceles Triangle

An ISOSCELES triangle has two equal sides and two equal angles.

 

Scalene Triangle

SCALENE triangle has three different sides and three different angles.

Which sort of triangle is this?

 

Which triangle?

 

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

 

Which triangle?

Equilateral

Isosceles

Right-Angled

Scalene

  • Question 1

Which sort of triangle is this?

 

Which triangle?

 

CORRECT ANSWER
Isosceles
EDDIE SAYS
An isosceles triangle has two equal angles.
  • Question 2

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Scalene
EDDIE SAYS
A scalene triangle has 3 different angles.
  • Question 3

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Right-Angled
EDDIE SAYS
A right-angled triangle has a 90 degree angle.
  • Question 4

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Equilateral
EDDIE SAYS
An equilateral triangle has 3 equal angles.
  • Question 5

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Scalene
EDDIE SAYS
A scalene triangle has three different angles.
  • Question 6

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Equilateral
EDDIE SAYS
An equilateral triangle has three equal angles.
  • Question 7

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Isosceles
EDDIE SAYS
An isosceles triangle has two equal angles.
  • Question 8

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Right-Angled
EDDIE SAYS
A right-angled triangle has a 90 degree angle.
  • Question 9

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Scalene
EDDIE SAYS
A scalene triangle has three different angles.
  • Question 10

Which sort of triangle is this?

 

Which triangle?

CORRECT ANSWER
Right-Angled
EDDIE SAYS
A right-angled triangle has a 90 degree angle.
---- OR ----

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