8.EE.8a

- Task c from this file could be solved using a system of linear equations

- Cards with ordered pairs that represent solutions to one of two linear equations. Give each student a card or two and have them substitute to see if the point represents a solution to either equation. Then use Desmos to enter a selection of the ordered pairs that are solutions for one in a table and show that the solutions form a line. Repeat for the other values in a second table, and have students notice that the ordered pair that worked for both is the point where the two lines intersect.

[|Which one doesn't belong]

- Source- Making Math Meaningful Blog- Mary Bourassa [|Using Pennies and Pattern blocks to model solving a system]