Understand congruence and similarity using physical models, transparencies, or geometry software

1 - 39 of 39 results
G8
Geometry | Measure angles within triangles
Measure angles within triangles
Geometry
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G5G8
Geometry | Use basic tools to construct perpendicular bisectors
Use basic tools to construct perpendicular bisectors
Geometry
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G8
Geometry | Measure or calculate angles within triangles
Measure or calculate angles within triangles
Geometry
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G5G8
Geometry | Identify triangles by sides and angles (find all)
Identify triangles by sides and angles (find all)
Geometry
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G4G8
Geometry | Explore the symmetries of tessellations and the tiles that comprise them
Explore the symmetries of tessellations and the tiles that comprise them
Geometry
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G5G8
Geometry | Describe and classify triangles
Describe and classify triangles
Geometry
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G8
Geometry | Explore and create tessellations
Explore and create tessellations
Geometry
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G3G8
Measurement and Data | Use tiling to calculate internal angles of regular polygons
Use tiling to calculate internal angles of regular polygons
Measurement and Data
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G5G8
Geometry | Classify triangles by both side and angle properties
Classify triangles by both side and angle properties
Geometry
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G8
Geometry | Establish the angle sum of a triangle using geometric arguments
Establish the angle sum of a triangle using geometric arguments
Geometry
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G3G8
Measurement and Data | Divide regular polygons into triangles and solve internal angle problems
Divide regular polygons into triangles and solve internal angle problems
Measurement and Data
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G3G8
Measurement and Data | Calculate the internal angles of regular polygons
Calculate the internal angles of regular polygons
Measurement and Data
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G4G8
Geometry | Use the angle sum of a triangle to solve problems
Use the angle sum of a triangle to solve problems
Geometry
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G7G8
Geometry | Combine properties of parallel lines and properties of polygons to solve for unknown angles
Combine properties of parallel lines and properties of polygons to solve for unknown angles
Geometry
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G7G8
Geometry | Use Thales’s theorem to calculate unknown side lengths of triangles
Use Thales’s theorem to calculate unknown side lengths of triangles
Geometry
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G7G8
Geometry | Use Thales’s theorem to calculate lengths of sides and midlines in trapezoids
Use Thales’s theorem to calculate lengths of sides and midlines in trapezoids
Geometry
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G7G8
Geometry | Use Thales’s theorem to calculate building plan dimensions
Use Thales’s theorem to calculate building plan dimensions
Geometry
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G8
Geometry | Identify similar triangles and solve problems
Identify similar triangles and solve problems
Geometry
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G8
Geometry | Use the angle sum of consecutive angles formed by a transversal to draw geometric conclusions
Use the angle sum of consecutive angles formed by a transversal to draw geometric conclusions
Geometry
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G8
Geometry | Use angles formed by a transversal to identify parallel and intersecting lines
Use angles formed by a transversal to identify parallel and intersecting lines
Geometry
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G8
Geometry | Apply reflections and rotations of shapes in the plane
Apply reflections and rotations of shapes in the plane
Geometry
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G8
Geometry | Use the properties of alternate angles to solve geometric problems
Use the properties of alternate angles to solve geometric problems
Geometry
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G8
Geometry | Relate the perimeter and area of similar triangles
Relate the perimeter and area of similar triangles
Geometry
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G8
Geometry | Identify similar triangles formed by transversal intersections with parallel lines
Identify similar triangles formed by transversal intersections with parallel lines
Geometry
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G3G8
Measurement and Data | Calculate the internal angles of irregular polygons
Calculate the internal angles of irregular polygons
Measurement and Data
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G5G8
Geometry | Identify triangles by sides and angles (find one)
Identify triangles by sides and angles (find one)
Geometry
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G7G8
Geometry | Identify relationships between angles formed with parallel lines
Identify relationships between angles formed with parallel lines
Geometry
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G7G8
Geometry | Use Thales’s theorem to find lengths and areas
Use Thales’s theorem to find lengths and areas
Geometry
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G7G8
Geometry | Use Thales’s theorem to calculate unknown side lengths of trapezoids
Use Thales’s theorem to calculate unknown side lengths of trapezoids
Geometry
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G7G8
Geometry | Use geometric methods and Thales’s theorem to divide segments into given ratios
Use geometric methods and Thales’s theorem to divide segments into given ratios
Geometry
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G8
Geometry | Prove triangles congruent using two angles and one side and interpret results
Prove triangles congruent using two angles and one side and interpret results
Geometry
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G8
Geometry | Plot points, segments, and lines to connect reflections and translations
Plot points, segments, and lines to connect reflections and translations
Geometry
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G8
Geometry | Use similarity of right triangles to find side lengths
Use similarity of right triangles to find side lengths
Geometry
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G8
Geometry | Use triangle similarity to calculate vertical distance with two horizontal measurements
Use triangle similarity to calculate vertical distance with two horizontal measurements
Geometry
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G8
Geometry | Solve complex problems involving the angle sum of a triangle
Solve complex problems involving the angle sum of a triangle
Geometry
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G8
Geometry | Explore when and how two sides and an angle define a triangle uniquely
Explore when and how two sides and an angle define a triangle uniquely
Geometry
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G5G8
Geometry | Classify triangles (angles, sides)
Classify triangles (angles, sides)
Geometry
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G5G8
Geometry | Classify triangles (angles)
Classify triangles (angles)
Geometry
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G8
Geometry | Explore the relationship between regular polygons and their external angles
Explore the relationship between regular polygons and their external angles
Geometry
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Understand congruence and similarity using physical models, transparencies, or geometry software.
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