# Factor and multiple chains

In this lesson, we will use our prior knowledge of multiples and factors to create chains, playing a game whilst investigating number patterns. We will then adapt the rules of the game to create alternative chains, being challenged to try and identify ever increasing lengths of chains.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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!

Q1.1 is not a prime number because...

1/5

Q2.Which of the following statements is TRUE?

2/5

Q3.Which of the following numbers is NOT a prime number?

3/5

Q4.Which of the following numbers IS a prime number?

4/5

Q5.Read the statements below. Can you identify which one is TRUE?

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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!

Q1.1 is not a prime number because...

1/5

Q2.Which of the following statements is TRUE?

2/5

Q3.Which of the following numbers is NOT a prime number?

3/5

Q4.Which of the following numbers IS a prime number?

4/5

Q5.Read the statements below. Can you identify which one is TRUE?

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Factor and Multiple Chains Quiz

There is no doubt you were able to link you prior knowledge of factors and multiples together today when creating chains. If you did play with someone else, I just hope you didn't get too competitive! There is just enough time now for you to complete the quiz on today's activities. You're recent use of factor and multiple factors will be a big help in completing the questions presented today. Good luck once again everyone!

Q1.Lucy created four different alternating factor and multiple chains. Her partner, Yasin, has spotted a mistake in one of her chains - can you tell which one?

1/5

Q2.Gary created a multiples number chain but needs a little help completing it. What are the next two numbers? 3, 6, 18, .... , .....

2/5

Q3.Samih generated a factors chain, starting at 120. But he also needs a little help finishing it off. Which two numbers should finish the chain? 120, 40, 20, .... , ....

3/5

Q4.The following sequence is a multiples chain. 3, 9, 27, 81, ..... ,334 But what is the missing value?

4/5

Q5.The following sequence is an alternating multiple and factor chain. Can you identify the missing value? 42 - 7 - 28 - 4 - ? - 18 - 54 - 9

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Factor and Multiple Chains Quiz

There is no doubt you were able to link you prior knowledge of factors and multiples together today when creating chains. If you did play with someone else, I just hope you didn't get too competitive! There is just enough time now for you to complete the quiz on today's activities. You're recent use of factor and multiple factors will be a big help in completing the questions presented today. Good luck once again everyone!

Q1.Lucy created four different alternating factor and multiple chains. Her partner, Yasin, has spotted a mistake in one of her chains - can you tell which one?

1/5

Q2.Gary created a multiples number chain but needs a little help completing it. What are the next two numbers? 3, 6, 18, .... , .....

2/5

Q3.Samih generated a factors chain, starting at 120. But he also needs a little help finishing it off. Which two numbers should finish the chain? 120, 40, 20, .... , ....

3/5

Q4.The following sequence is a multiples chain. 3, 9, 27, 81, ..... ,334 But what is the missing value?

4/5

Q5.The following sequence is an alternating multiple and factor chain. Can you identify the missing value? 42 - 7 - 28 - 4 - ? - 18 - 54 - 9

5/5

# Lesson summary: Factor and multiple chains

## 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