Math curriculum series for grades 4-6. The series focuses on visual thinking, utilizing manipulatives, diagrams, and sketches to help students build a conceptual understanding of mathematics. We meet at 3520 Rayford Road in the parking lot of HEB near the gas pumps (Grand Parkway and Rayford Road, NOT I45 & RAYFORD ROAD), cash only. For additional items for sale by us, click on the "more ads by this seller" link to the right of the picture.