Viewing and Drawing 3-D

In this unit students will be studying the geometry of three-dimensional objects. They will be looking at boxes, cubes, and objects made with building blocks.

During the unit, the students will take on the role of toy designers and apply their knowledge of geometry to drawing plans for toys and small buildings.

Students will find the volume of cube models and describe them using cube model plans.

Volume-the amount of space, measured in cubic units, that an object or substance occupies

Face-A plane surface of a geometric solid. A cube has 6 faces

Vertices-a point in a geometrical solid common to three or more sides.

The intersection of two sides of a plane figure.

Practice: Ask your child to build a tower or other shape with toy blocks or cubes.

Ask your child to show you the faces, edges, and vertices of a tissue box or cereal box. Ask him or her to describe the shapes, lines and angles that form the box.

One thing you can do to help out is save empty tissue and cereal boxes and send them to school with your child. We will use these to help in studying three-dimensional objects.

Links: http://www.learner.org/interactives/geometry/

http://countdown.luc.edu/NCTM_cat/Geometry/Three_DimensionalShapes/970206/FacesEdgesVerti/index.html