# Exposing factors

In this lesson, we will be looking at how different representations of numbers can help us expose factors of numbers.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of the following is a way to write 36?

1/5

Q2.What other way can 2 x 2 x 8 be written?

2/5

Q3.What is the 8th square number?

3/5

Q4.What is the 5th prime number?

4/5

Q5.What is the difference between the 6th square number and the 6th prime number?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of the following is a way to write 36?

1/5

Q2.What other way can 2 x 2 x 8 be written?

2/5

Q3.What is the 8th square number?

3/5

Q4.What is the 5th prime number?

4/5

Q5.What is the difference between the 6th square number and the 6th prime number?

5/5

# 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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Exposing factors

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

Q1.Which of these is not a factor of 36?

1/5

Q2.What do we call numbers that have exactly two factors?

2/5

Q3.What type of number has an odd number of factors?

3/5

Q4.Which of these numbers in a common factor of 12 and 18.

4/5

Q5.Which of these numbers is not a common factor of 20 and 24

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

# Exposing factors

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

Q1.Which of these is not a factor of 36?

1/5

Q2.What do we call numbers that have exactly two factors?

2/5

Q3.What type of number has an odd number of factors?

3/5

Q4.Which of these numbers in a common factor of 12 and 18.

4/5

Q5.Which of these numbers is not a common factor of 20 and 24

5/5

# Lesson summary: Exposing factors

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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:
Walk

On the spot:
Dance