This is a set of 21 cards in the "I Have, Who Has?" format. Students will practice calculating percent of a number (10%, 20%, 30%, 40%, 50%,, 60%, 70%. 90%). A class can be timed and challenged to improve their time each time the cards are used. An added bonus - I devote one bulletin board to recording our times as we move throughout the year. See thumbnail for a version of my bulletin board that I keep going all year long. I simply use colorful 3x5 cards (cut in thirds) where I record the