# Identify Prime Numbers

In this lesson, we will recap identifying prime numbers. We will define prime numbers and explain their properties.

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.What is the 6th multiple of 15?

1/4

Q2.Which are the factors of 28?

2/4

Q3.Which numbers are missing from the Venn diagram?

3/4

Q4.A number less than 20 is missing from the Venn diagram. What is the missing number?

4/4

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.What is the 6th multiple of 15?

1/4

Q2.Which are the factors of 28?

2/4

Q3.Which numbers are missing from the Venn diagram?

3/4

Q4.A number less than 20 is missing from the Venn diagram. What is the missing number?

4/4

# 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:

# Identify Prime Numbers

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

Q1.True or False, three of these numbers are prime and more than 20.

1/5

Q2.Which number lies in the intersection (middle) of this Venn diagram?

2/5

Q3.How many of the factors of 39 are prime numbers?

3/5

Q4.Which two prime numbers sum to 40?

4/5

Q5.The product of which two prime numbers find another prime number?

5/5

Quiz:

# Identify Prime Numbers

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

Q1.True or False, three of these numbers are prime and more than 20.

1/5

Q2.Which number lies in the intersection (middle) of this Venn diagram?

2/5

Q3.How many of the factors of 39 are prime numbers?

3/5

Q4.Which two prime numbers sum to 40?

4/5

Q5.The product of which two prime numbers find another prime number?

5/5

# Lesson summary: Identify Prime Numbers

## Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga