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Office of Curriculum, Technology, & Assessment |
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Content Standards : Math
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Geometry Strand
Examples of Classroom Practice
NOTE: These Examples of Practice were developed by the writers of the SD Mathematics Standards to guide reflective practice, professional discussion and performance based assessment. The Examples are not intended as required instruction or assessment, nor do they imply endorsement by the SD Department of Education. The lessons are examples of standards-based instructional design that allow students to communicate their understanding of mathematics through the application of mathematical concepts and skills in problem-solving situations.
| K-2 |
| Title: |
| Standard: |
| Description: |
| 3-5 |
| Title: Slide It! - PDF version | Word version |
| Standard: 4.G.2.2 |
| Description: Students will demonstrate translations using right triangles. |
| Title: Shapes are Everywhere - PDF version | Word version |
| Standard: 4.G.2.1 |
| Description: Students build and compare geometric models using tangrams shapes. |
| Title: Lines, Lines, Everywhere There are Lines - PDF version | Word version |
| Standard: 4.G.1.2 |
| Description: Students use a digital camera to take pictures of parallel, perpendicular, and intersecting lines. |
| Title: The Greedy Triangle & Friends - PDF version | Word version |
| Standard: 4.G.1.1 |
| Description: Students write narratives about geometric figures. |
| Title: Hidden Treasure - PDF version | Word version |
| Standard: 5.G.2.3 |
| Description: Students plot and connect ordered pairs. |
| 6-8 |
| Title: Quilt Geometry - PDF version |
| Standard: 6.G.2.1 |
| Description: Students are able to use basic shapes to demonstrate geometric concepts. |
| 9-12 |
| Title: Fence It! - PDF version | Word version |
| Standard: 9-12.G.1.2 |
| Description:
Students calculate the area and perimeter of similar and/or congruent triangles to determine the amount of fencing needed to partition a parcel of land. |
| Title: And the Height Is? - PDF version | Word version |
| Standard: 9-12.G.2.3 |
| Description: Students demonstrate their understanding of proportion and the properties of similar right triangles to determine the height of intersecting cable lines. |
| Title: Toy Castle - PDF version | Word version |
| Standard: 9-12.G.1.4A |
| Description: Students demonstrate their understanding of surface area and volume to calculate the cost of manufacturing a toy castle. |
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