Curated OER
Isolating the Variable
Ninth graders investigate how to solve equations with the variable present on both sides. They practice isolating the variable and combining like terms before solving the equation for the variable.
Curated OER
Solution Sets
In this solution set instructional activity, 9th graders solve 5 different problems that include graphing on the x- and y-axis. First, they solve each inequality as needed. Then, students graph the solution set found in each on the...