This elementary resource book covers teaching problem-solving skills and the language of mathematics using the geoboard. Lessons include clear directions and step-by-step procedures to investigate and build geometric shapes. Reproducible student worksheets are included with each lesson.

Topics include: making pictures, counting and adding, changing shapes, slides, turns, symmetry, shapes with right angles, making polygons, triangles, quadrilaterals, squares, rectangles, pentagons, inside/outside/touching, other shapes, fractions, and line segments.

It does not include the geoboard.