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Revision of probability

Revision of probability and tree diagrams
Learning objectives:
  • Calculate simple probability as a fraction or decimal
  • Describe a probability 
  • Draw a probability on a probability scale
  • Use a tree diagram to represent the probability of 2 events happening
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Slide 1: Slide
MathematicsLower Secondary (Key Stage 3)

This lesson contains 8 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 45 min

Items in this lesson

Revision of probability and tree diagrams
Learning objectives:
  • Calculate simple probability as a fraction or decimal
  • Describe a probability 
  • Draw a probability on a probability scale
  • Use a tree diagram to represent the probability of 2 events happening

Slide 1 - Slide

Slide 2 - Slide

Take some counters (red and yellow). Upload a photo of them below. What is the probability you will pick a yellow counter?

Slide 3 - Open question

Complete task 1 on task sheet and upload a photo of answers here.

Slide 4 - Open question

Probability of more than one event
Tree diagrams

Slide 5 - Slide

I have 7 yellow counters and 3 red. You have 2 yellow counters and 8 red. What is the probability of us both picking yellow counters?

Slide 6 - Slide

Complete task sheets on tree diagrams and upload here.

Slide 7 - Open question

Tell me one thing you have learned about probability today.

Slide 8 - Open question