planetqhe and the IB

Random Behaviour

Experimental vs Theoretical

Compound Events I

Compound Events II

Expectations and Distributions

Distributions and Hypotheses

Probability in the real world



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Welcome to planetqhe! This site is primarily written for International Baccalaureate students but can be used in any high school math class, especially those involving project work or coursework.

There are over 30 probability activities based on questions; answers are deliberately left out. That's why planetqhe stands for Probabilistic Learning Activities; Question, Hypothesis, Experiment.There are two types of question - QHE questions relate to the activities, Essential questions bridge each set of activities. 

 How do I get started?

visit all the members of the association of teacher's websites here.
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Read about the Dice world cup here!
David Kay Harris 2001-2006