Cotter AL Abacus vs Win A Block

Cotter AL Abacus, used with the RightStart™ Mathematics program, now available on your iPhone and iPad! This abacus will teach, not calculate like the Japanese and Chinese abacus, while using subitizing (quantity recognition) and visual strategies to support learning and understanding. Perfect for visual learners! This unique double-sided abacus is grouped in fives and tens for quick recognition of quantities. The second side of the abacus focuses on trading to the thousands. Learn the facts easily by: * visualizing quantities, * minimizing counting, and * developing mental strategies. Those learning arithmetic with the Cotter AL Abacus have a better understanding of basic concepts and need less time to master arithmetic. Although children do enjoy using the abacus, it does not become a crutch. Stan, age 5, was asked how much is 11 plus 6. He replied, “17!” When he was asked how he knew, he replied with a grin, “I’ve got the abacus in my mind.” App has links to sample addition, subtraction, multiplication, and division lessons as well as detailed use information.

This is a game for young children, ages 3 and up.. The purpose is to lay the foundation for place value. It is done with moving pieces from column to column (like numerical place values) and trading pieces for larger ones (like carries or regrouping in addition). This game in board form has been successful with young children and special needs students. The program is an attempt to make the board game mobile, on phones, or visual for instruction with the MacOS program.