Reflex Angles
(KS2, Year 6)

The Lesson

An reflex angle is an angle greater than 180° and less than 360°.

A reflex angle is greater than a straight line and less than a complete revolution.

Real Examples of Straight Angles

The angles below are all reflex angles:

Interactive Game on the Types of Angles

Here is an interactive game to help you learn about the types of angles.

• Click on an angle so it drops into the correct "bucket."
• In total, there are 10 angle to clear.
• If an angle drops into the wrong "bucket," you will lose one of your three lives.
• Good luck!

What's in a Name?

Reflex comes from the Latin word "reflexus" meaning "bent back". A reflex angle looks like it has been bent back on itself.

Drag and Drop Game

Here is a drag-and-drop game to help you learn about the types of angles.