# Expanding double brackets

In this lesson, we will learn more about expanding double brackets. We will use area models to visualise the process.

#### 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.Choose the word which best fills the gap: When we ________ double brackets every term in the first bracket must be multiplied by every term in the second bracket.

1/6

Q2.Cala says (x+2)(x+4) is the same as (x+4)(2+x). Is she correct?

2/6

Q3.Expand and simplify (x+11)(x+2)

3/6

Q4.Expand and simplify (x+3)(x+5)

4/6

Q5.Expand and simplify 2(x+3)+2(x+5)

5/6

Q6.Expand and simplify (x+1)²

6/6

#### 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.Choose the word which best fills the gap: When we ________ double brackets every term in the first bracket must be multiplied by every term in the second bracket.

1/6

Q2.Cala says (x+2)(x+4) is the same as (x+4)(2+x). Is she correct?

2/6

Q3.Expand and simplify (x+11)(x+2)

3/6

Q4.Expand and simplify (x+3)(x+5)

4/6

Q5.Expand and simplify 2(x+3)+2(x+5)

5/6

Q6.Expand and simplify (x+1)²

6/6

# 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:

# Expanding Double Brackets Quiz

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

Q1.Choose the word which best fills the gap: When we ________ double brackets every term in the first bracket must be multiplied by every term in the second bracket.

1/6

Q2.Expand and simplify (x+2)(x+5)

2/6

Q3.Expand and simplify (x+2)(x-5)

3/6

Q4.Expand and simplify 2(x+3)-2(x+5)

4/6

Q5.A rectangle has side lengths (x+4) and (x-3). Match the expression that would represent it's area.

5/6

Q6.Yasmin expanded (a + x + 3)(x + 2). Below are her workings out. Which expression matches the area of the rectangle she has created?

6/6

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

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

# Expanding Double Brackets Quiz

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

Q1.Choose the word which best fills the gap: When we ________ double brackets every term in the first bracket must be multiplied by every term in the second bracket.

1/6

Q2.Expand and simplify (x+2)(x+5)

2/6

Q3.Expand and simplify (x+2)(x-5)

3/6

Q4.Expand and simplify 2(x+3)-2(x+5)

4/6

Q5.A rectangle has side lengths (x+4) and (x-3). Match the expression that would represent it's area.

5/6

Q6.Yasmin expanded (a + x + 3)(x + 2). Below are her workings out. Which expression matches the area of the rectangle she has created?

6/6

# Lesson summary: Expanding double brackets

## 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