This type of activity is known as Practice. Please read the guidance notes here, where you will find useful information for running these types of activities with your students.

NOTE: If anyone fancies knocking up a diagram to show the answer to Question 15, it would be greatly appreciated 🙂

1. Example-Problem Pair

2. Intelligent Practice

3. Answers

4. Downloadable version

• Tree diagrams – no replacement – V2

5. Alternative versions

• feel free to create and share an alternate version that worked well for your class following the guidance here