Test your knowledge of geometry, fractions, weights and measures, graphing, percentages, and more with this fun, memory-boosting game. Players study the pictures-and-facts side of the card for 10 seconds, and then flip to the other side to see how many questions they can answer, for example, "What is the most expensive item shown?" or "How many buttons does the calculator have?" Game includes 55 cards, a sand timer and 8-sided die. For 1 or more players.