A small heavy object attached to a string suspended from a fixed point. Example
Plastic or wooden board containing holes in which pegs can be placed. Example
Set of plastic, wood or cardboard shapes in the form of triangles, squares, parallelograms, hexagons, etc Examples
A connected set of points. The route or line along which a person or object moves. Example
(Symbol: ∥ )Two or more lines that go in exactly the same direction. Parallel lines always remain the same distance apart. They never meet.
A prism, made of parallelograms. Example