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Notation
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.
Worksheet
(Printable & Sendable
)
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See Also
What are degrees?
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