This activity gives students practice counting for meaning using unifix cubes or snap cubes. Students will count the number of unifix cubes then match the rod up to the correct number on a number line. Extension activities are included.

Learn about platonic solids, a special type of polyhedra. Read a definition, make three-dimensional models using printouts, and play with an interactive animation, which will show you the faces, vertices, and edges on platonic solids:...