Identify properties of numbers

In this lesson, we will learn to identify prime and composite 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 number from the list is a factor of 14?

1/5

Q2.Which of the below is a common factor of 48 and 18?

2/5

Q3.What is the highest common factor of 12 and 30?

3/5

Q4.Which number from the list below is a multiple of 6?

4/5

Q5.Which of the numbers below is a multiple of 20 between 50 and 99?

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 number from the list is a factor of 14?

1/5

Q2.Which of the below is a common factor of 48 and 18?

2/5

Q3.What is the highest common factor of 12 and 30?

3/5

Q4.Which number from the list below is a multiple of 6?

4/5

Q5.Which of the numbers below is a multiple of 20 between 50 and 99?

5/5

Video

Play 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.

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:

Identify properties of numbers

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

Q1.Which of the below is the definition of a prime number?

1/4

Q2.Which of the below is not a prime number?

2/4

Q3.How many prime numbers are there between 10 and 20?

3/4

Q4.What is the largest prime number under 100?

4/4

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:

Identify properties of numbers

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

Q1.Which of the below is the definition of a prime number?

1/4

Q2.Which of the below is not a prime number?

2/4

Q3.How many prime numbers are there between 10 and 20?

3/4

Q4.What is the largest prime number under 100?

4/4

Lesson summary: Identify properties of numbers

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