Angles

Mathematics

Trace, then copy the words below.

angle (1) ray (3) vertex (5) degrees (6) arms (8) point (4) rotation (2) protractor (7) turn (9)

Use the words above to complete the text below. Numbers are given next to the words to show their placement in the text.

An

is the figure formed by the of a about a , which is called the of the angle. The size of an angle is usually measured in ( ) using a tool called a . The lines of an angle are called its . The size of an angle is the amount of required for the arms to coincide.

or

Trace the additional information about angles.

There are many different types of angles. Acute angles are less than 90 , right angles are exactly 90 , obtuse angles are greater than 90 but less than 180 , straight angles are exactly 180 and reflex angles are angles greater than 180 . A full rotation measures exactly 360 . 104

NEW WAVE HANDWRITING 5TH CLASS

978-1-84654--936-6 Prim-Ed Publishing www.prim-ed.com

Recognises, classifies and describes angles and relate angles to shape and the environment

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Label the parts of the diagram using words from the text above.