Swun uses workbooks instead of textbooks. But parents have urged trustees to look at other Common Core-based math materials, saying Swun Math is filled with errors. Last year, a dump truck with a red ...

Laurel Street started this transition with an advantage because their district uses a structured curriculum called Swun Math. It’s a widely praised program developed by Si Swun, a Long Beach, Calif., ...

To an outsider, this looks like an unusual lesson. Fifth-graders at Harbor View Elementary School in Newport Beach are sketching rectangles to parse a story problem involving mangoes and fruit cups.