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- Grade Range
- 4th - 5th
- Rating
Students demonstrate an understanding of the use of the properties and relationships in geometry, and use manipulatives to identify properties of a polygon. They identify a polygon, perpendicular lines, and parallel lines. Full Review »
- Grade Range
- 3rd
- Rating
Students use quilts as a visual prompt to review mathematics vocabulary associated with geometry in the third grade curriculum. A hands-on activity serves as a practice and review at the conclusion of this lesson. Full Review »
- Grade Range
- 8th
- Rating
Students conduct Internet research on geometry in our everyday lives. They answer questions about well-known structures, and write a paragraph demonstrating their knowledge of geometric shapes and measurements. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students create graphic organizers to visually represent geometric concepts. Working in small groups, students develop five graphic organizers that fit a particular proof. Diagrams are presented to the class. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students review the postulates of algebra that have a significant relationship to geometry. Students complete proofs through the use of geometric properties and principles. This lesson is a continuation of a previous lesson on proofs. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students explore the covalent bonding in the formation of molecular compounds. They analyze Lewis Structures, molecular geometry, resonance structures, determination of formal charge, types of hybridization, and polarity of bonds and molecules. Students complete several lab activities involving molecular models. Full Review »
- Grade Range
- 9th - 11th
- Rating
Students analyze optical illusions using coordinate geometry and will prove regularity, congruence, or similarity of the shapes in the optical illusion. They research various optical illusions that use geometric shapes and choose one of the optical illusions researched. Coordinate geometry is used to prove that the figures are congruent, similar, or regular depending on the chosen illusion. Full Review »
- Grade Range
- 5th
- Rating
Students do a geometry hunt for shapes in the real world, and find them within the artwork in the gallery. They name the shapes found and make a graph to compare which types of shapes are used most often in the artwork they looked at. Full Review »
- Grade Range
- 3rd
- Rating
Students review various geometry terms, such as line, point, congruent and symmetry. In groups, they construct shapes out of straws and pipe cleaners. Then they measure the straws and pipe cleaners so that they may draw a congruent shape on a piece of paper. Full Review »
- Grade Range
- 1st
- Rating
Students explore eight geometry activities that improve understanding of positional words and shapes. They identify, describe, and create simple geometric figures. They help another student who may not understand the concept yet. Full Review »
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