# Equations and identities

In this lesson, we will look at the difference between an equation and an identity.

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.

#### 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.Which of the following are expressions?

Select two (2) boxes

1/5

Q2.What is the value of the cubes if a = 4?

2/5

Q3.What is the value of this expression if a = 5?

3/5

Q4.Which expression has the greatest value when a = 7?

4/5

Q5.Which expression has the greatest value when a = 4?

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.

#### 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.Which of the following are expressions?

Select two (2) boxes

1/5

Q2.What is the value of the cubes if a = 4?

2/5

Q3.What is the value of this expression if a = 5?

3/5

Q4.Which expression has the greatest value when a = 7?

4/5

Q5.Which expression has the greatest value when a = 4?

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.

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

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

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

Q1.If a = 3, which of the following is true?

1/8

Q2.Which description best fits an identity?

2/8

Q3.Is the following an expression, equation, or identity?

3/8

Q4.Is the following an expression, equation, or identity?

4/8

Q5.If x=5, which symbol should go in the box?

5/8

Q6.If x=5, which symbol should go in the box

6/8

Q7.If x=5, which symbol should go in the box

7/8

Q8.If x=5, which symbol should go in the box

8/8

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.

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

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

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

Q1.If a = 3, which of the following is true?

1/8

Q2.Which description best fits an identity?

2/8

Q3.Is the following an expression, equation, or identity?

3/8

Q4.Is the following an expression, equation, or identity?

4/8

Q5.If x=5, which symbol should go in the box?

5/8

Q6.If x=5, which symbol should go in the box

6/8

Q7.If x=5, which symbol should go in the box

7/8

Q8.If x=5, which symbol should go in the box

8/8

# Lesson summary: Equations and identities

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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:
Chair yoga