Geometry
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List of Lessons
Semester 1
Unit 1 Tools for Geometry
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1.1 Points, Lines, and Planes
1.2 Measuring Segments
1.3 Measuring Angles
1.4 Addition Postulate
1.5 Angle Pairs
Unit 1 Review
Unit 1 Algebra Review
Unit 2: Reasoning and Proof
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2.1 Reasoning and Proof
2.2 Intro to Proofs
2.3 More with Proofs
Unit 2 Review
Unit 3 Parallel and Perpendicular Lines
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3.1 Lines and Angles
3.2 Properties of Parallel Lines
3.3 Proving Lines Parallel
3.4 Parallel Lines and Triangles
3.5 Equations of Lines in the Coordinate Plane
3.6 Slopes of Parallel and Perpendicular Lines
Unit 3 Review
Unit 3 Algebra Review
Unit 4 Triangle Congruence
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4.1 Triangles
4.2 SSS and SAS
4.3 ASA and AAS
4.4 CPCTC and HL
Unit 4 Review
Unit 4 Algebra Review
Unit 5 Quadrilaterals and Polygons
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5.1 Polygon Angles
5.2 Parallelogram Properties
5.3 Conditions for Parallelograms
5.4 Rhombuses and Rectangles
5.5 Conditions for Rhombuses and Rectangles
5.6 Kites and Trapezoids
Unit 5 Review
Unit 5 Algebra Skillz Review
Unit 6 Similar Figures
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6.1 Similar Figures
6.2 Prove Triangles Similar
6.3 Side Splitter Theorem
Unit 6 Review
Unit 6 Algebra Review
Semester Exam Review
Semester 2
Unit 7 Right Triangles
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7.1 Pythagorean Theorem and Its Converse
7.2 Special Right Triangles I
7.3 Special Right Triangles II
7.4 Trig Ratios
7.5 Inverse Trig Functions
Unit 7 Review
Unit 7 Algebra Review
Unit 8 Transformations
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8.1 Transformations
8.2 Reflections
8.3 Rotations
8 Review
Unit 9 Area of Polygons
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9.1 Parallelograms and Triangles
9.2 Trapezoid, Kites, Rhombi
9.3 Regular Polygons
9.4 Circles and Arcs
9.5 Sectors and Segments
Unit 9 Review
Unit 9 Algebra Review
Unit 10 Surface Area/Volume
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10.1 SA of Prisms and Cylinders
10.2 SA of Pyramids and Cones
10.3 Volume of Prisms and Cylinders
10.4 Volume of Pyramids and Cones
10.5 SA and Volume of Spheres
Unit 10 Review
Unit 10 Algebra Review
Unit 11 Circles
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11.1 Tangents to Circles
11.2 Chords and Arcs
11.3 Intercepted Arcs
11.4 Secants and Tangents
Unit 11 Review
Unit 12 Probability
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12.1 Introduction to Probability
12.2 More Probability
Unit 12 Review
Unit 12 Algebra Review
Semester 2 Exam Review
Teacher Resources
FlippedMath.com
P3dhack Apr 2026