Dr. Joan Cotter demonstrated how her AL Abacus works. It’s not surprising Cotter has an abacus collection. She has one that was given to her by her daughter that was made by a Native American tribe in Alaska, as well as abacuses from Japan and China.PHOTO BY MARY-ANNE OLMSTED-KOHLS
BY MARY-ANNE OLMSTED-KOHLS For the Hutchinson Station Mathematical equations can be stimulating to some and scary to others. If taught correctly, math should be a…
