# Find the value of missing angles

In this lesson, we will be studying angles. We will use algebra and bar models to represent problems and calculate missing angles.

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Final Quiz

Finding the value of missing angles

Q1.The angles on a straight line add up to:

1/5

Q2.The angles around a point add up to:

2/5

Q3.Calculate the value of angle b.

3/5

Q4.Calculate the value of angle a.

4/5

Q5.Calculate the value of angle g.

5/5

Quiz:

# Final Quiz

Finding the value of missing angles

Q1.The angles on a straight line add up to:

1/5

Q2.The angles around a point add up to:

2/5

Q3.Calculate the value of angle b.

3/5

Q4.Calculate the value of angle a.

4/5

Q5.Calculate the value of angle g.

5/5

# Lesson summary: Find the value of missing angles

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga