Illustrative Mathematics
Illustrative Mathematics: A Ced, a Rei Basketball
In this task, two brothers track how many games they have each won. Students are asked to make calculations based on the percentage of games won. They set up a rational equation (and a rational inequality) in one variable, and then solve...
Illustrative Mathematics
Illustrative Mathematics: A Rei Radical Equations
The purpose of the task is to show students a situation where squaring both sides of an equation can result in an equation with more solutions than the original one, because it is possible to have two unequal numbers whose squares are...