Does a third-grade teacher need to know high school math? asks Ann Doss Helms in the Charlotte Observer. “Almost 2,400 North Carolina elementary school teachers have failed the math portion of their licensing exams, which puts their careers in jeopardy, since the state hired Pearson publishing company to give the exam in 2013,” Helms writes. In 2016-17, only 54.5 percent of elementary teachers passed the math exam. Some say the tests are too hard because they cover math taugh