Perimeter inequalities

In this lesson you will learn how to establish inequalities from perimeter expressions.

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.Perimeter is the total _____ of all sides of a shape. When the side lengths are written algebraically the perimeter can be written as an _______.

1/5

Q2.Which of the following is an expression for the perimeter of this shape? (Use the definitions from the lesson.)

2/5

Q3.Which of the following is an expression for the perimeter of this shape? (Use the definitions from the lesson.)

3/5

Q4.Which of the following is an expression for the perimeter of this image? (Use the definitions from the lesson.)

4/5

Q5.Which of the following is an expression for the perimeter of this image? (Use the definitions from the lesson.)

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.Perimeter is the total _____ of all sides of a shape. When the side lengths are written algebraically the perimeter can be written as an _______.

1/5

Q2.Which of the following is an expression for the perimeter of this shape? (Use the definitions from the lesson.)

2/5

Q3.Which of the following is an expression for the perimeter of this shape? (Use the definitions from the lesson.)

3/5

Q4.Which of the following is an expression for the perimeter of this image? (Use the definitions from the lesson.)

4/5

Q5.Which of the following is an expression for the perimeter of this image? (Use the definitions from the lesson.)

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:

Perimeter Inequalities 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.Fill in the gap: We can use an ______ to compare the lengths and perimeters of different lines and shapes.

1/5

Q2.Using the image, decide which of the following is true.

2/5

Q3.Which inequality best compares the expressions for the perimeters of the 2 shapes below?

3/5

Q4.Which inequality best compares the expressions for the perimeters of the 2 shapes below?

4/5

Q5.Which inequality best compares the expressions for the perimeters of the 2 shapes below?

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:

Perimeter Inequalities 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.Fill in the gap: We can use an ______ to compare the lengths and perimeters of different lines and shapes.

1/5

Q2.Using the image, decide which of the following is true.

2/5

Q3.Which inequality best compares the expressions for the perimeters of the 2 shapes below?

3/5

Q4.Which inequality best compares the expressions for the perimeters of the 2 shapes below?

4/5

Q5.Which inequality best compares the expressions for the perimeters of the 2 shapes below?

5/5

Lesson summary: Perimeter inequalities

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:
Climb stairs

On the spot:
Chair yoga

Take part in The Big Ask.

The Children's Commissioner for England wants to know what matters to young people.

Share your views and have your voice heard.