Unit 4 - Geometry Curriculum - Math
Teacher Resources
Investigation 1
Investigation 2
- Overview
- Activity 4.2.1 Similarity Transformations
- Activity 4.2.2 Similar Figures
- Activity 4.2.3 Corresponding Parts of Similar Polygons
- Activity 4.2.4a Proving all Circles are Similar
- Activity 4.2.4b Proving all Circles are Similar (scaffold)
Investigation 3
- Overview
- Activity 4.3.1 Triangle Similarity Conjectures
- Activity 4.3.2 The AA and SAS Similarity Theorems
- Activity 4.3.3 The SSS Similarity Theorem
- Activity 4.3.4 Using Similarity Theorems
- Activity 4.3.5 Similarity in Equilateral Triangles
Investigation 4
- Overview
- Activity 4.4.1 Parallel Lines in Triangles
- Activity 4.4.2 Proving the Side Splitting Theorem and Its Converse
- Activity 4.4.3 Manhattan Sidewalk Reconstruction Project
- Activity 4.4.4 Dividing Segments into Parts
- Activity 4.4.5 Partitioning a Line Segment in the Coordinate Plane
Investigation 5
- Overview
- Activity 4.5.1 Right Triangles
- Activity 4.5.2a The Right Triangle Similarity Theorem (open ended)
- Activity 4.5.2b The Right Triangle Similarity Theorem
- Activity 4.5.3 Geometric Means (may be skipped)
- Activity 4.5.4a Similar Triangles and the Pythagorean Theorem (open ended)
- Activity 4.5.4b Similar Triangles and the Pythagorean Theorem
- Activity 4.5.5 Right, Acute, Obtuse?
- Activity 4.5.6 The Converse of the Pythagorean Theorem
Investigation 6
- Overview
- Activity 4.6.1 Ratios in Right Triangles
- Activity 4.6.2 Inverse Trigonometric Functions
- Activity 4.6.3 Applications of Right Triangle Trigonometry
- Activity 4.6.4 Complementary Angles and Cofunctions
Investigation 7
- Overview
- Activity 4.7.1 Irrational Square Roots in Standard Form (if needed)
- Activity 4.7.2 Special Right Triangles Discovery
- Activity 4.7.3 Special Right Triangles and Trigonometric Ratios
- Activity 4.7.3 Applications of Special Right Triangle