This group activity practices finding and analyzing the discriminant of quadratic equations. There are 5 groups of card sets that each contain 4 problems. Each set is differentiated by different shapes: heart, lightning, smiley, star, and sun. Every set of cards has the same sum. Students won’t know what the correct sum is supposed to be, so one option is having the groups check with each other to make sure they have the correct sum. Groups can rotate the sets as many times as the class time allows. You could also time them and have them rotate every certain number of minutes. Another option is to make it into a game - whichever group completes all 5 sets and figures out the correct sum wins!
Includes activity, an answer sheet for students to record their answers, and a teacher answer key. This activity also exposes students to interchangeable terms such as solutions, roots, and zeros are interchangeable. It also uses the terms real vs. rational vs. irrational roots to allow students to understand the difference between these classes of numbers.
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