A series of lessons (2-4) on finding probabilities from a probability tree diagram. There are various tasks and problems in which probabilities remain the same and a diagram is draw and interpreted. There are also reverse problems and also algebraic problems in line with the new curriculum. The lesson then moves on to conditional probability and this is also linked to reverse problems and also algebraic problems to ensure all learners can access using and applying tree diagrams.
All tasks are differentiated to at least 3 levels. There are reasoning and problem solving tasks which are suitable for the new curriculum. All tasks have solutions so that it is easy for the pupils to mark their work. This has been used and allowed pupils to master the skill and for the more able to develop their understanding


  • RAG---Conditional-Probability.pptx
  • Tree-Diagrams-Lesson.pptx

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