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Welcome to the GCSE Math Lessons!

Use the cards below to select specific GCSE math lessons and exam papers or follow the carefully planned out Maths Target curriculum.
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GCSE Math Lesson 13 - Functions

For a more detailed overview of the topics that will be covered in this GCSE math lesson on Functions, please visit the Glossary Page.

Learning Objectives:

  • What are functions?
  • How to substitute different values into functions?
  • What are composite and inverse functions?

Section 1 - Video Tutorials

The GCSE math lesson on Functions consists of 2 educational video tutorials and provides insight into how a process or several calculations can be shown as one simple Function. Start learning more about Functions today.

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Section 2 - Practice Questions

Test yourself on what you have learned from the educational video tutorials in Section 1 with these multiple choice practice questions. If you are unsure on how to answer the questions, then we recommend you re-watch the video tutorials, because you will be able to follow the concepts and/or methods much better once you know what to expect. Practice makes perfect!

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Section 3 - Exam Style Questions

The multiple choice practice questions in Section 2 have hopefully improved your confidence and understanding of this GCSE math topic. Have a go answering these exam style questions on Functions. These are the types of questions that you may come across in your GCSE math exams.

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Section 4 - Challenging Questions

After completing the exam style questions in Section 3, you should feel confident with Functions. However, what makes these questions in Section 4 any different? Well, these exam style questions focus on Functions, but combine topics covered in previous GCSE math lessons across the Maths Target curriculum. We recommend you use a spare piece of paper to write down your workings out and then check against the mark scheme.

Unfortunately the challenging exam style questions for this lesson are only available for Premium Maths Target Members.
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Answers and grade boundaries for the challenging questions in Section 4 can be found by clicking on the button below.