Mighty Math Carnival Countdown teaches kindergarten, 1st, and 2nd grade students the concepts, facts, and thinking skills necessary to build math confidence and develop a strong, lasting understanding of math. Entertaining activities teach addition and subtraction, place value, sorting and classifying, logic and problem solving, equalities and inequalities, basic geometry, and early multiplication and division. Learning and understanding math is fun with Carnival Countdown. Compatible with Windows XP, 2000, ME, 98.