Straight Angles
(KS2, Year 6)
Dictionary Definition
The Oxford English Dictionary defines a straight angle as "an angle of 180°."Real Examples of Straight Angles
The angles below are all straight angles:What's in a Name?
A straight angle is called straight because it forms a straight line.Do a 180
A straight angle is half a revolution, it changes the direction to point the other way.The phrases "do a 180", "a complete 180" refers to someone who completely changes their mind or direction the other way.
Two Right Angles
A straight angle is two right angles because 180° = 2 × 90°.Supplementary Angles
Two angles are supplementary if they add up to a straight angle.Drag and Drop Game
Here is a drag-and-drop game to help you learn about the types of angles.Worksheet
This test is printable and sendable