Pentomino Puzzles

In this activity, students work through a series of "pentomino sum" puzzles. They begin informally (and rather inefficiently). But later, they'll develop and apply an algebraic approach, demonstrating the power and efficiency of mathematics along the way. French translation courtesy of AFEMO: https://teacher.desmos.com/activitybuilder/custom/59236e68ef478950618a9370

By Desmos _