Students learn about comparing the probability of events using fractions on a probability scale.

At the start of the lesson students recap writing a probability as a fraction. In the development stage they learn how to place events along a probability scale to compare their likelihoods. The end of lesson is used to assess their progress using mini-whiteboards.

**Differentiated Learning Objectives**

- All students should be able to place probabilities written as keywords along a probability scale
- Most students should be able to use probabilities and the probability scale to compare the likelihood of events happening.
- Some students should be able to compare the probabilities of two events using equivalent fractions.