apt4Maths: TREE DIAGRAMS, OR and AND RULES PowerPoint for GCSE Maths (Lesson 5 of 6 on Probability)

PowerPoint Presentation on Tree Diagrams, OR and AND (16 slides): Explains how to create and use tree diagrams, what is meant by ‘dependent’ and ‘independent’ events, and the formulae for the ‘OR’ and ‘AND’ rules. It has been written by a highly experienced teacher (of 25+ years), senior examiner and reviser for Maths and Stats examinations. It includes:

Lesson objectives
Step-by-step explanations of the subject matter
Examples to aid understanding
Questions to check understanding
Answers to questions, with explanations
Suggestions regarding which topic(s) should be moved on to next.

It is 1 of a set of 6 PowerPoint Presentations on ‘Probability’ that APT Initiatives has published for GCSE (and Key Stage 3) Maths. The complete set of 6 PowerPoints (92 slides, excluding Title Pages) covers the following topics relating to ‘Probability’:

01 Introduction – Terminology and Values (9 slides).
02 Simple Probability (14 slides).
03 Expected Outcomes and Relative Frequency (14 slides).
04 Outcomes (19 slides).
05 Tree Diagrams, OR and AND (16 slides).
06 Venn Diagrams, Set Notation and Conditional Probability (20 slides).

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