# Distributivity and expanding

In this lesson you will use the distributive property to expand brackets with linear expressions.

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 6

Q1.Fill in the gap. We can collect together like terms of variables and constants in order to ______ algebraic expressions.

1/6

Q2.Fill in the gap: 14 × 3 = 10 × 3 + ____ × 3

2/6

Q3.Fill in the gaps: 5a + 9a = ___ × a = ____

3/6

Q4.Fill in the gaps: 18x + 20x = 30x + ____

4/6

Q5.Simplify the expression 10a -4b + 2a + b

5/6

Q6.Simplify the expression -20x + 3 - 8y + x -y

6/6

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 6

Q1.Fill in the gap. We can collect together like terms of variables and constants in order to ______ algebraic expressions.

1/6

Q2.Fill in the gap: 14 × 3 = 10 × 3 + ____ × 3

2/6

Q3.Fill in the gaps: 5a + 9a = ___ × a = ____

3/6

Q4.Fill in the gaps: 18x + 20x = 30x + ____

4/6

Q5.Simplify the expression 10a -4b + 2a + b

5/6

Q6.Simplify the expression -20x + 3 - 8y + x -y

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.

Quiz:

# Distributivity and Expanding Quiz

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

## Question 5

Q1.Fill in the gaps: We can ____ an expression by using the _____ property.

1/5

Q2.Use the distributive property to fill in the gaps: 4(10 + 5) = ____ × 10 + ____ × 5

2/5

Q3.Expand 4(n+ 5)

3/5

Q4.Expand 8(n-3)

4/5

Q5.Expand -7(n+5).

5/5

Quiz:

# Distributivity and Expanding Quiz

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

## Question 5

Q1.Fill in the gaps: We can ____ an expression by using the _____ property.

1/5

Q2.Use the distributive property to fill in the gaps: 4(10 + 5) = ____ × 10 + ____ × 5

2/5

Q3.Expand 4(n+ 5)

3/5

Q4.Expand 8(n-3)

4/5

Q5.Expand -7(n+5).

5/5

# Lesson summary: Distributivity and expanding

### 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

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