# Number bases

In this lesson, we will use decimal representation to explore the concept of place values in number bases and the values of digits. Then, we will explore the representation of binary values, and converting these back to decimal.

# 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.

# Lesson summary: Number bases

## It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

## Time to move!

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

For 5 mins...

Move around:

Jog

On the spot:

Dance