Fourth grade teacher Brian Pattison works on a math problem for his students at the Lake Myra Elementary School in Wendell, N.C.
Fourth grade teacher Brian Pattison works on a math problem for his students at the Lake Myra Elementary School in Wendell, N.C. Staff 2013 News & Observer file photo
Fourth grade teacher Brian Pattison works on a math problem for his students at the Lake Myra Elementary School in Wendell, N.C. Staff 2013 News & Observer file photo