Math Roll, an aid for displaying math information/facts

摘要

A math aid that strengthens addition, subtraction, multiplication and division skills as well as math memory. Math facts are displayed on two stuffed rolls using horizontal strips, color differences, various digit sizes and a roll shape all used to increase ease and focus on seeing selected facts for a math problem. Each roll displays numbers in a horizontal row for counting and subtracting. One of the rolls displays a column of even multiplicands, a row of multipliers, and corresponding rows of quotients. The second roll has a similar display but provides a column of odd multiplicands. In using the aid, one selects the facts needed by rotating the roll to the strip of facts needed, then flattening the roll enough to hold its position to see those needed facts.