Geometry and 2D Shapes: Comparing Triangles

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

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   2D Shapes: Triangles, Quadrilaterals and Polygons

Difficulty level:

QUESTION 1 of 10

There are four different types of triangle.

RIGHT-ANGLED triangle has one right-angle.

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

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

SCALENE triangle has three different sides and three different angles.

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

Which sort of triangle is this?

Equilateral

Isosceles

Right-Angled

Scalene

• Question 1

Which sort of triangle is this?

Isosceles
• Question 2

Which sort of triangle is this?

Scalene
• Question 3

Which sort of triangle is this?

Right-Angled
• Question 4

Which sort of triangle is this?

Equilateral
• Question 5

Which sort of triangle is this?

Scalene
• Question 6

Which sort of triangle is this?

Equilateral
• Question 7

Which sort of triangle is this?

Isosceles
• Question 8

Which sort of triangle is this?

Right-Angled
• Question 9

Which sort of triangle is this?

Scalene
• Question 10

Which sort of triangle is this?

Right-Angled
---- OR ----

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