Expressing missing numbers algebraically

In this lesson, we will be finding the unknown values in algebraic expressions.

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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.What would be the next term in this sequence? 4.5, 4.75, 5, 5.25, 5.5, 5.75

1/4

Q2.What is the term to term rule in this sequence? 9.2, 9.15, 9.1, 9.05

2/4

Q3.What would be the previous term in this sequence? -3, -1, 1, 3, 5

3/4

Q4.Look at the following sequence, which term below can not be part of that sequence? 56, 61, 66, 71, 76

4/4

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.What would be the next term in this sequence? 4.5, 4.75, 5, 5.25, 5.5, 5.75

1/4

Q2.What is the term to term rule in this sequence? 9.2, 9.15, 9.1, 9.05

2/4

Q3.What would be the previous term in this sequence? -3, -1, 1, 3, 5

3/4

Q4.Look at the following sequence, which term below can not be part of that sequence? 56, 61, 66, 71, 76

4/4

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Worksheet

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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:

Expressing missing numbers algebraically

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

Q1.t + 7 = 20 What is the value of t?

1/5

Q2.If 5a = 35 What is the value of a?

2/5

Q3.How could we express the perimeter of the rectangle below?

3/5

Q4.How could we express the perimeter of the square below?

4/5

Q5.If 2f + 6= 20. What is the value of f?

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:

Expressing missing numbers algebraically

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

Q1.t + 7 = 20 What is the value of t?

1/5

Q2.If 5a = 35 What is the value of a?

2/5

Q3.How could we express the perimeter of the rectangle below?

3/5

Q4.How could we express the perimeter of the square below?

4/5

Q5.If 2f + 6= 20. What is the value of f?

5/5

Lesson summary: Expressing missing numbers algebraically

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