Common multiples

In this lesson we will be looking at how to find common multiples 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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of these is not a factor of 24?

1/5

Q2.Why can't factors of 1 and 2 be represented as polygons?

2/5

Q3.How many factor polygons can you draw for a ring of 32 dots?

3/5

Q4.How many polygons can you draw for a ring of 20 dots?

4/5

Q5.What is a regular polygon?

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of these is not a factor of 24?

1/5

Q2.Why can't factors of 1 and 2 be represented as polygons?

2/5

Q3.How many factor polygons can you draw for a ring of 32 dots?

3/5

Q4.How many polygons can you draw for a ring of 20 dots?

4/5

Q5.What is a regular polygon?

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:

Common Multiples Quiz

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of these numbers is a common multiple of 2 and 3?

1/5

Q2.What is the lowest common multiple of 4 and 5?

2/5

Q3.Which of these numbers is both a multiple of 4 and a factor of 100?

3/5

Q4.Which of these numbers is a multiple of a square number that is not 1?

4/5

Q5.What is the lowest common multiple of 2, 3, and 5?

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:

Common Multiples Quiz

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of these numbers is a common multiple of 2 and 3?

1/5

Q2.What is the lowest common multiple of 4 and 5?

2/5

Q3.Which of these numbers is both a multiple of 4 and a factor of 100?

3/5

Q4.Which of these numbers is a multiple of a square number that is not 1?

4/5

Q5.What is the lowest common multiple of 2, 3, and 5?

5/5

Lesson summary: Common multiples

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