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Three-Dimensional Geometry Projects for Middle School

Working with three-dimensional figures in geometry helps students understand how the different shapes that they are studying fit into the real world. Knowing what an octagon is by definition is great, but seeing a stop sign will help solidify the properties of the figure for children. Finding projects that deal with three-dimensional objects is a great way to get students interacting with the material and help with content retention.
  1. Snacks

    • A fun way to incorporate learning geometry into a party is to assign students the project of making snacks. They can create their own snacks to bring into the classroom and share using geometrical shapes. Some ideas are Jello-jigglers or brownies cut into shapes. Encourage the children to do as much of the baking or snack preparation on their own as they can. Also, challenge students to create their snacks using shapes other than basic squares and circles.

    Aerial

    • This three-dimensional project challenges students to create an aerial view of a town. The town that they create should be imaginary and defined by specific guidelines set by the teacher. The town must be laid out on parallel streets, must include at least three differently-shaped buildings, have at least four intersections that do not meet at a 90-degree angle and two intersections where streets are perpendicular. Students can use many different objects to create their city with, such as Legos, marshmallows, Easter grass and sugar cubes. Instruct the students to decorate their city, after it is created, with markers, crayons or paint.

    Abstract

    • The only guidelines for this project are that it must be three-dimensional and created entirely out of geometrical shapes and concepts. The final result will be an abstract piece of artwork. Students can create their abstracts out of many different materials, both small and large, such as paper towel rolls, empty tissue boxes, marbles or string. They can also use different mediums for decorating their abstract art when they are finished securing it together with glue or tape.

    Ornaments

    • If it is near the holidays, have the children create their own geometrical ornaments for the season out of various materials, such as cardboard, poster board or tubing. They can also use paper mache if it is available and time permits. After they have created their shapes, they can decorate them however they choose. Some examples would be to create basic shapes, such as spheres and cubes, decorated with holiday themes. More advanced designs would include using shapes to create objects, such as rays, rectangles and squares for a sleigh. Students could also design holiday figures, such as Santa Claus, by using a sphere for a head and a cylinder body.

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