# Number systems: Writing numbers in different bases

In this lesson, we will be looking at writing numbers in different bases and how to convert them.

# 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:

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Write twenty four in base 5

1/5

Q2.Write seven in base 2

2/5

Q3.Write fifteen in base 7

3/5

Q4.Write thirty two in base 2

4/5

Q5.Write seventy two in base 8

5/5

Quiz:

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Write twenty four in base 5

1/5

Q2.Write seven in base 2

2/5

Q3.Write fifteen in base 7

3/5

Q4.Write thirty two in base 2

4/5

Q5.Write seventy two in base 8

5/5

# Lesson summary: Number systems: Writing numbers in different bases

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga