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The powerpoints you find in my shop has been tried and tested in my classes over the past 10 years. Each one consist of a variety of examples, already animated, ready for you to use.

I strongly believe that the more active learners are in the class the more they learn, so you will also find some interactive activities that encourage active learning.

Gr.8-10: Probability – Relative frequency Investigation [PDF]

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Always use Thinking Tools


Author: Renate Röhrs

Number of pages: 6

Grades: 8, 9 and 10

  • Show casing how relative frequency tends towards theoretical probability by involving the whole class in experiments.
  • Includes 2 activities: One where the probability is known and one where probability can only be estimated by using the relative frequency.
  • Also give learners the opportunity to practice drawing line and bar graphs.
Always use Thinking Tools


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I have been a maths teacher for 10 years, and during this time I have seen how teaching have changed from using only a blackboard and the examples we make up in class to interactive activities and sharing resources. These changes excites me.
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