# Inequalities and substitution (Part 2)

In this lesson we will continue our work on substituting into inequalities, this time considering negative numbers in more detail.

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 3

Q1.Which of the following values of x satisfy the inequality x + 2 < 11 ? Select ONE

1/3

Q2.Which of these statements are true if x = 2? Select all that apply.

Select two (2) boxes

2/3

Q3.Which of the following inequalities is satisfied if x = 3 and y = 4?

3/3

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 3

Q1.Which of the following values of x satisfy the inequality x + 2 < 11 ? Select ONE

1/3

Q2.Which of these statements are true if x = 2? Select all that apply.

Select two (2) boxes

2/3

Q3.Which of the following inequalities is satisfied if x = 3 and y = 4?

3/3

# 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:

# Inequalities and Substitution 2

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

## Question 3

Q1.Given that x = 6 and y = -5, which of the following statements is false? It may help to sketch a number line.

1/3

Q2.Given that a = -3, which of the following statements is false? It may help to sketch a number line.

2/3

Q3.Look at the diagram. Which of these statements is true according to the diagram?

3/3

Quiz:

# Inequalities and Substitution 2

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

## Question 3

Q1.Given that x = 6 and y = -5, which of the following statements is false? It may help to sketch a number line.

1/3

Q2.Given that a = -3, which of the following statements is false? It may help to sketch a number line.

2/3

Q3.Look at the diagram. Which of these statements is true according to the diagram?

3/3

# Lesson summary: Inequalities and substitution (Part 2)

### 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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