Problem solving with theoretical probability
I can use my knowledge of probability to solve problems.
Problem solving with theoretical probability
I can use my knowledge of probability to solve problems.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Knowledge of probability can be applied to real world situations .
- Probabilities can be used to aid decision making.
- Theoretical probabilities come from long-term behaviour and therefore may not be seen in the short-term.
Keywords
Sample space - A sample space is all the possible outcomes of a trial. A sample space diagram is a systematic way of producing a sample space.
Tree diagram - Tree diagrams are a representation used to model statistical/probability questions. Branches represent different possible events or outcomes.
Outcome table - An outcome table is a table that shows all the possible outcomes.
Common misconception
When increasing a probability by 50%, pupils may choose to add 50% onto the existing probability rather than multiplying by 1.5.
Make links to any previous work pupils may have done on increasing by a percentage and emphasise that a percentage increase is being applied to the probability.
To help you plan your year 9 maths lesson on: Problem solving with theoretical probability, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 9 maths lesson on: Problem solving with theoretical probability, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 3 maths lessons from the Probability: theoretical probabilities unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
