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Know Your Angles: Smaller or Larger Than a Right Angle?

In this worksheet, students decide whether an angle is larger or smaller than a right angle.

'Know Your Angles: Smaller or Larger Than a Right Angle?' worksheet

Key stage:  KS 2

Curriculum topic:   Geometry: Properties of Shapes

Curriculum subtopic:   Recognise Angles

Difficulty level:  

Worksheet Overview

In this activity, we'll take a look at right angles.

 

A right angle is an angle that is equal to 90°.  

 

Here is a right angle.

 

Right angle marked with a rectangular marking

 

We can see it's marked with a rectangle corner marker.

If you see an angle marked with a square or rectangle, it's a right angle.

 

Example

Is this angle larger or smaller than a right angle?

 

An angle which is larger than a right angle, marked with a curved line.

 

 

Answer

The angle above is marked with a curved angle marker and it is larger than the example of a right angle.

 

A rectangle

 

Think about the corner of a rectangle, which is a right angle.

The angle we are shown is much larger than the rectangle's corner. 

 

So, the angle above is larger than a right angle.

 

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