Tree Diagrams Worksheet | KS3 GCSE Foundation & Functional Skills L2 Probability RAG Activity

This Tree Diagrams RAG Worksheet and PowerPoint provides clear, differentiated practice on probability tree diagrams for KS3, GCSE Foundation Maths, and Functional Skills Maths Level 2. Designed to support learners at different confidence levels, this resource includes Bronze, Silver and Gold tasks that build from completing simple probability trees to answering multi-step probability questions.

Learners begin by completing a partially filled probability tree using given probabilities. They then calculate the probability of combined events such as winning or losing games in different scenarios. The higher-level tasks extend into questions involving “exactly one event”, “at least one event”, and “not both”, mirroring the style of Functional Skills Level 2 and GCSE Foundation exam questions.

The accompanying PowerPoint is ideal for whole-class teaching or modelling solutions on screen, while the worksheet provides structured practice that works well for independent learning, revision or homework.

What’s Included:
• Full RAG-differentiated worksheet (Bronze, Silver, Gold)
• Probability tree completion task
• Combined events questions
• “Exactly one”, “at least one”, and “not both” probability tasks
• Fully calculated answers for every question
• PowerPoint version for teaching, modelling or display

Perfect For:
→ KS3 Probability lessons
→ GCSE Foundation Maths (AQA, Edexcel, OCR)
→ Functional Skills Maths Level 2
→ Revision and exam preparation
→ Homework or cover lesson material
→ Small-group or independent intervention work

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