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If you haven’t already started, it’s highly likely you’ll be getting down to some serious revision for the upcoming exams in the next few weeks. In anticipation of that, we’ve brought together a collection of lesson ideas designed to help you to consolidate understanding and extend thinking in a variety of topic areas.

As usual, we’ve got the generous and talented members of the TES Maths community to thank for these imaginative ideas. So take a look and be inspired to try something different with your classes.

Craig Barton, TES Maths adviser

### New GCSE specification

**Exploring frequency trees**

Including supporting teacher notes, this engaging presentation not only neatly introduces the topic, but also contains exam-style questions that are ideal for promoting discussion in the classroom.

**Arrangements and permutations lesson**

Covering the new requirement to teach systematic listing strategies, this one-off lesson culminates in a stimulating codebreaker activity to get pupils practising the relevant skills.

### Ratio and proportion

*Adventure Time*-themed ratio practice

Liven up your ratio lessons with these captivating practice questions, which pupils must solve in order to save Princess Bubblegum from the evil Ice King.

**Proportion spider activity sheets**

Designed specifically to encourage discussion, these unique worksheets cover all aspects of direct and inverse proportion. The more challenging sheets even involve some surds practice, too.

### Representing data

**Good graph, bad graph?**

Exploring an often overlooked part of the topic, this interesting lesson tasks students to examine a range of graphs from a variety of contexts in order to start a discussion about misleading representation.

**Interpreting cumulative frequency diagrams**

This adaptation of a classic activity nicely links cumulative frequency with box plots, while retaining an emphasis on comparing and interpreting the data.

### Unusual investigations

**Social media plot**

With almost all students on some form of social media, this investigation is sure to interest your class. Handily, it’ll also get them using their estimating skills to predict and describe the spread of information.

**The maths of a fretboard**

Get learners thinking about how geometric sequences can be used to calculate distances on a guitar fretboard with this thought-provoking lesson, including questions to promote positive discussion.