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This is a great exercise in graphing proportional quantities to interpret the unit rate as the slope of a graph. It is not easy for learners to understand what a unit rate is. When it is presented as the slope of a linear line graph, your class can visually see how units increase or decrease along the line. Extend by having learners write the equation for the graph.
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Pros
- Correlates well with the Common Core
- Can be applied to many situations
Cons
- None