Angles

Introduction to angles (old): What an angle is. Angles in a circle. Complementary and supplementary angles.

What we already know about angles......

• the main parts of an angle are the arms and vertex.
• the size of an angel depends on how wide one arm opens.
• the types of angles can be seen in the image below

Complete the Activity below in Notability
1. Find the angles

How to use a protractor....

2. Click on the Measuring Angles link and complete the online activity using the virtualprotractor to measure the given angles.

3. Complete Measuring Angles 0'-360'

4. Extension - Creating angles 0'-360'

PROPERTIES OF ANGLES

Vertically Opposite Angles

After watching the BrainPop clip on the properties of angles, complete the following activities;

1. First, find out what Supplementary, Complementary and Vertically Opposite angles are by using this Maths Dictionary. Draw diagrams in your book of each - make sure you label them and provide a definition of each type of angle.

2. Complete the following activities in your grid book;

Activity 1 - Properties of Angles

Activity 2 - Extension - Properties of Angles

TRIANGLES

There are 4 types of triangles;

In your Maths Grid Books draw each triangle using a protractor and write the properties of each triangle.