HM - Geometry c2011 Florida Larson

Mathematics - Grade 9

UNIT | HM.1. | Unit 1: Points, Lines, and Planes | |||||

CHAPTER | HM.1.1. | Unit 1 Chapter 1: Essentials of Geometry | |||||

LESSON | HM.1.1.1 | Unit 1 Ch 1 Lesson 1: Identify Points, Lines, and Planes (pp 2-8)materials correlated to this standard → |
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LESSON | HM.1.1.2. | Unit 1 Ch 1 Lesson 2: Use Segments and Congruence (pp 9-14)materials correlated to this standard → |
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LESSON | HM.1.1.3. | Unit 1 Ch 1 Lesson 3: Use Midpoint and Distance Formulas (pp 15-22)materials correlated to this standard → |
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LESSON | HM.1.1.4. | Unit 1 Ch 1 Lesson 4: Measure and Classify Angles (pp 24-32)materials correlated to this standard → |
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LESSON | HM.1.1.4Exp. | Unit 1 Ch 1 Exploring Geometry Construction: Copy and Bisect Segments and Angles (pp 33-34)materials correlated to this standard → |
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LESSON | HM.1.1.5. | Unit 1 Ch 1 Lesson 5: Describe Angle Pair Relationships (pp 35-47)materials correlated to this standard → |
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LESSON | HM.1.1.6. | Unit 1 Ch 1 Lesson 6: Classify Polygons (pp 42-47)materials correlated to this standard → |
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LESSON | HM.1.1.7Exp. | Unit 1 Ch 1 Exploring Geometry Activity Investigate Perimeter and Area (pp 48)materials correlated to this standard → |
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LESSON | HM.1.1.7. | Unit 1 Ch 1 Lesson 7: Find Perimeter, Circumference, and Area (pp 49-56)materials correlated to this standard → |
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CHAPTER | HM.1.2. | Unit 1 Chapter 2: Reasoning and Proof | |||||

LESSON | HM.1.2.1. | Unit 1 Ch 2 Lesson 1: Use Inductive Reasoning (pp 74-80)materials correlated to this standard → |
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LESSON | HM.1.2.2. | Unit 1 Ch 2 Lesson 2: Analyze Conditional Statements (pp 81-87)materials correlated to this standard → |
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LESSON | HM.1.2.3Exp. | Unit 1 Ch 2 Exploring Geometry Activity: Logic Puzzles (pp 88)materials correlated to this standard → |
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LESSON | HM.1.2.3. | Unit 1 Ch 2 Lesson 3: Apply Deductive Reasoning (pp 89-95)materials correlated to this standard → |
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LESSON | HM.1.2.3Foc. | Unit 1 Ch 2 Focus on Reasoning: Symbolic Notation and Truth Tables (pp 96-97)materials correlated to this standard → |
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LESSON | HM.1.2.4. | Unit 1 Ch 2 Lesson 4: Use Postulates and Diagrams (pp 98-104)materials correlated to this standard → |
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LESSON | HM.1.2.5. | Unit 1 Ch 2 Lesson 5: Reason Using Properties from Algebra (pp 106-112)materials correlated to this standard → |
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LESSON | HM.1.2.6. | Unit 1 Ch 2 Lesson 6: Prove Statements about Segments and Angles (pp 113-122)materials correlated to this standard → |
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LESSON | HM.1.2.7Exp. | Unit 1 Ch 2 Exploring Geometry Activity Angles and Intersecting Lines (pp 123-124)materials correlated to this standard → |
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LESSON | HM.1.2.7. | Unit 1 Ch 2 Lesson 7: Prove Angle Pair Relationships (pp 125-133)materials correlated to this standard → |
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CHAPTER | HM.1.3. | Unit 1 Chapter 3: Parallel and Perpendicular Lines | |||||

LESSON | HM.1.3.1Exp. | Unit 1 Ch 3 Exploring Geometry Activity: Draw and Interpret Lines (pp 150)materials correlated to this standard → |
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LESSON | HM.1.3.1. | Unit 1 Ch 3 Lesson 1: Identify Pairs of Lines and Angles (pp 151-156)materials correlated to this standard → |
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LESSON | HM.1.3.2Exp. | Unit 1 Ch 3 Exploring Geometry Activity Parallel Lines and Angles (pp 157)materials correlated to this standard → |
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LESSON | HM.1.3.2. | Unit 1 Ch 3 Lesson 2: Use Parallel Lines and Transversals (pp 158-164)materials correlated to this standard → |
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LESSON | HM.1.3.3. | Unit 1 Ch 3 Lesson 3: Prove Lines are Parallel (pp 165-173)materials correlated to this standard → |
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LESSON | HM.1.3.3Exp. | Unit 1 Ch 3 Exploring Geometry Construction: Parallel and Perpendicular Lines (pp 174-175)materials correlated to this standard → |
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LESSON | HM.1.3.4. | Unit 1 Ch 3 Lesson 4: Find and Use Slopes of Lines (pp 177-184)materials correlated to this standard → |
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LESSON | HM.1.3.4Tec. | Unit 1 Ch 3 Technology Activity Investigate Slopes (pp 185)materials correlated to this standard → |
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LESSON | HM.1.3.5. | Unit 1 Ch 3 Lesson 5: Write and Graph Equations of Lines (pp 186-193)materials correlated to this standard → |
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LESSON | HM.1.3.6. | Unit 1 Ch 3 Lesson 6: Prove Theorems about Perpendicular Lines (pp 196-203)materials correlated to this standard → |
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LESSON | HM.1.3.6Foc. | Focus on Reasoning: Taxicab Geometry (pp 204-205)materials correlated to this standard → |
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UNIT | HM.2. | Unit 2: Triangles | |||||

CHAPTER | HM.2.4. | Unit 2 Chapter 4: Congruent Triangles | |||||

LESSON | HM.2.4.1Exp1. | Unit 2 Ch 4 Exploring Geometry Activity: Angle Sums in Triangles (pp 224)materials correlated to this standard → |
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LESSON | HM.2.4.1. | Unit 2 Ch 4 Lesson 1: Apply Triangle Sum Properties (pp 225-232)materials correlated to this standard → |
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LESSON | HM.2.4.1.Exp2. | Unit 2 Ch 4 Exploring Geometry Construction: Construct Triangles (pp 233-234)materials correlated to this standard → |
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LESSON | HM.2.4.2. | Unit 2 Ch 4 Lesson 2: Apply Congruence and Triangles (pp 235-242)materials correlated to this standard → |
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LESSON | HM.2.4.3Exp. | Unit 2 Ch 4 Exploring Geometry Activity: Investigate Congruent Figures (pp 243)materials correlated to this standard → |
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LESSON | HM.2.4.3. | Unit 2 Ch 4 Lesson 3: Prove Triangles Congruent by SSS (pp 244-249)materials correlated to this standard → |
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LESSON | HM.2.4.4. | Unit 2 Ch 4 Lesson 4: Prove Triangles Congruent by SAS and HL (pp 250-256)materials correlated to this standard → |
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LESSON | HM.2.4.4Tec. | Unit 2 Ch 4 Technology Activity Investigate Triangles and Congruence (pp 257)materials correlated to this standard → |
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LESSON | HM.2.4.5. | Unit 2 Ch 4 Lesson 5: Prove Triangles Congruent by ASA and AAS (pp 259-265)materials correlated to this standard → |
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LESSON | HM.2.4.5Exp. | Unit 2 Ch 4 Exploring Geometry Construction: Congruent Triangles (pp 266-267)materials correlated to this standard → |
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LESSON | HM.2.4.6. | Unit 2 Ch 4 Lesson 6: Use Congruent Triangles (pp 268-275)materials correlated to this standard → |
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LESSON | HM.2.4.7. | Unit 2 Ch 4 Lesson 7: Use Isosceles and Equilateral Triangles (pp 276-282)materials correlated to this standard → |
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LESSON | HM.2.4.8Exp. | Unit 2 Ch 4 Exploring Geometry Activity: Investigate Slides and Flips (pp 283)materials correlated to this standard → |
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LESSON | HM.2.4.8. | Unit 2 Ch 4 Lesson 8: Congruence Transformations and Coordinate Geometry (pp 284-291)materials correlated to this standard → |
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CHAPTER | HM.2.5. | Unit 2 Chapter 5: Relationships within Triangles | |||||

LESSON | HM.2.5.1Exp. | Unit 2 Ch 5 Exploring Geometry Activity: Investigate Segments in Triangles (pp 308)materials correlated to this standard → |
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LESSON | HM.2.5.1. | Unit 2 Ch 5 Lesson 1: Midsegment Theorem and Coordinate Proof (pp 309-315)materials correlated to this standard → |
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LESSON | HM.2.5.2. | Unit 2 Ch 5 Lesson 2: Use Perpendicular Bisectors (pp 317-323)materials correlated to this standard → |
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LESSON | HM.2.5.3. | Unit 2 Ch 5 Lesson 3: Use Angle Bisectors of Triangles (pp 324-330)materials correlated to this standard → |
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LESSON | HM.2.5.4Exp. | Unit 2 Ch 5 Exploring Geometry Activity: Intersecting Medians (pp 332)materials correlated to this standard → |
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LESSON | HM.2.5.4. | Unit 2 Ch 5 Lesson 4: Use Medians and Altitudes (pp 333-339)materials correlated to this standard → |
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LESSON | HM.2.5.4Tec. | Unit 2 Ch 5 Technology Activity Investigate Points of Concurrency (pp 340-341)materials correlated to this standard → |
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LESSON | HM.2.5.5. | Unit 2 Ch 5 Lesson 5: Use Inequalities in a Triangle (pp 342-348)materials correlated to this standard → |
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LESSON | HM.2.5.6. | Unit 2 Ch 5 Lesson 6: Inequalities in Two Triangles and Indirect Proof (pp 349-355)materials correlated to this standard → |
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CHAPTER | HM.2.6. | Unit 2 Chapter 6: Similarity | |||||

LESSON | HM.2.6.1. | Unit 2 Ch 6 Lesson 1: Ratios, Proportions, and the Geometric Mean (pp 372-379)materials correlated to this standard → |
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LESSON | HM.2.6.2. | Unit 2 Ch 6 Lesson 2: Use Proportions to Solve Geometry Problems (pp 380-386)materials correlated to this standard → |
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LESSON | HM.2.6.3Exp. | Unit 2 Ch 6 Exploring Geometry Activity: Similar Polygons (pp 387)materials correlated to this standard → |
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LESSON | HM.2.6.3. | Unit 2 Ch 6 Lesson 3: Use Similar Polygons (pp 388-395)materials correlated to this standard → |
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LESSON | HM.2.6.3Foc. | Unit 2 Ch 6 Focus on Patterns: Fibonacci Sequence and the Golden Ratio (pp 396-397)materials correlated to this standard → |
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LESSON | HM.2.6.4. | Unit 2 Ch 6 Lesson 4: Prove Triangles Similar by AA (pp 399-405)materials correlated to this standard → |
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LESSON | HM.2.6.5. | Unit 2 Ch 6 Lesson 5: Prove Triangles Similar by SSS and SAS (pp 406-413)materials correlated to this standard → |
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LESSON | HM.2.6.6Exp. | Unit 2 Ch 6 Exploring Geometry Activity Investigate Proportionality (pp 414)materials correlated to this standard → |
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LESSON | HM.2.6.6. | Unit 2 Ch 6 Lesson 6: Use Proportionality Theorems (pp 415-421)materials correlated to this standard → |
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LESSON | HM.2.6.7Exp. | Unit 2 Ch 6 Exploring Geometry Activity: Dilations (pp 424)materials correlated to this standard → |
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LESSON | HM.2.6.7. | Unit 2 Ch 6 Lesson 7: Similarity Transformations and Coordinate Geometry (pp 425-431)materials correlated to this standard → |
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UNIT | HM.3. | Unit 3: Figures in the Plane | |||||

CHAPTER | HM.3.7. | Unit 3 Chapter 7: Right Triangles and Trigonometry | |||||

LESSON | HM.3.7.1Exp. | Unit 3 Ch 7 Exploring Geometry Activity: Pythagorean Theorem (pp 450)materials correlated to this standard → |
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LESSON | HM.3.7.1. | Unit 3 Ch 7 Lesson 1: Apply the Pythagorean Theorem (pp 451-457)materials correlated to this standard → |
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LESSON | HM.3.7.2Exp. | Exploring Geometry Activity: Converse of the Pythagorean Theorem (pp 458)materials correlated to this standard → |
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LESSON | HM.3.7.2. | Unit 3 Ch 7 Lesson 2: Use the Converse of the Pythagorean Theorem (pp 459-465)materials correlated to this standard → |
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LESSON | HM.3.7.3Exp. | Unit 3 Ch 7 Exploring Geometry Activity: Similar Right Triangles (pp 466)materials correlated to this standard → |
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LESSON | HM.3.7.3. | Unit 3 Ch 7 Lesson 3: Use Similar Right Triangles (pp 467-474)materials correlated to this standard → |
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LESSON | HM.3.7.4. | Unit 3 Ch 7 Lesson 4: Special Right Triangles (pp 475-482)materials correlated to this standard → |
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LESSON | HM.3.7.5. | Unit 3 Ch 7 Lesson 5: Apply the Tangent Ratio (pp 484-490)materials correlated to this standard → |
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LESSON | HM.3.7.6. | Unit 3 Ch 7 Lesson 6: Apply the Sine and Cosine Ratios (pp 491-498)materials correlated to this standard → |
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LESSON | HM.3.76Foc. | Unit 3 Ch 7 Focus on Trigonometry: Cotangent, Secant, and Cosecant Ratios (pp 501-502)materials correlated to this standard → |
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LESSON | HM.3.7.7. | Unit 3 Ch 7 Lesson 7: Solve Right Triangles (pp 503-509)materials correlated to this standard → |
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CHAPTER | HM.3.8. | Unit 3 Chapter 8: Quadrilaterals | |||||

LESSON | HM.3.8.1Exp. | Unit 3 Ch 8 Exploring Geometry Activity: Investigate Angle Sums in Polygons (pp 526)materials correlated to this standard → |
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LESSON | HM.3.8.1. | Unit 3 Ch 8 Lesson 1: Find Angle Measures in Polygons (pp 527-533)materials correlated to this standard → |
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LESSON | HM.3.8.2Exp. | Unit 3 Ch 8 Exploring Geometry Activity Investigate Parallelograms (pp 534)materials correlated to this standard → |
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LESSON | HM.3.8.2. | Unit 3 Ch 8 Lesson 2: Use Properties of Parallelograms (pp 535-541)materials correlated to this standard → |
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LESSON | HM.3.8.3. | Unit 3 Ch 8 Lesson 3: Show that a Quadrilateral is a Parallelogram (pp 542-549)materials correlated to this standard → |
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LESSON | HM.3.8.4. | Unit 3 Ch 8 Lesson 4: Properties of Rhombuses, Rectangles, and Squares (pp 553-560)materials correlated to this standard → |
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LESSON | HM.3.8.5Exp. | Unit 3 Ch 8 Exploring Geometry Activity Midsegment of a Trapezoid (pp 561)materials correlated to this standard → |
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LESSON | HM.3.8.5. | Unit 3 Ch 8 Lesson 5: Use Properties of Trapezoids and Kites (pp562-569)materials correlated to this standard → |
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LESSON | HM.3.8.6. | Unit 3 Ch 8 Lesson 6: Identify Special Quadrilaterals (pp 570-575)materials correlated to this standard → |
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LESSON | HM.3.8.7. | Unit 3 Ch 8 Lesson 7: Coordinate Proof with Quadrilaterals (pp 576-581)materials correlated to this standard → |
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CHAPTER | HM.3.9. | Unit 3 Chapter 9: Properties of Transformations | |||||

LESSON | HM.3.9.1. | Unit 3 Ch 9 Lesson 1: Translate Figures and Use Vectors (pp 598-605)materials correlated to this standard → |
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LESSON | HM.3.9.2. | Unit 3 Ch 9 Lesson 2: Use Properties of Matrices (pp 606-613)materials correlated to this standard → |
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LESSON | HM.3.9.3Exp. | Unit 3 Ch 9 Exploring Geometry Activity: Reflections in the Plane (pp 614)materials correlated to this standard → |
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LESSON | HM.3.9.3. | Unit 3 Ch 9 Lesson 3: Perform Reflections (pp 615-622)materials correlated to this standard → |
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LESSON | HM.3.9.4. | Unit 3 Ch 9 Lesson 4: Perform Rotations (pp 624-631)materials correlated to this standard → |
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LESSON | HM.3.9.5Exp. | Unit 3 Ch 9 Exploring Geometry Activity Double Reflections (pp 633)materials correlated to this standard → |
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LESSON | HM.3.9.5. | Unit 3 Ch 9 Lesson 5: Apply Compositions of Transformations (pp 634-641)materials correlated to this standard → |
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LESSON | HM.3.9.5Foc. | Unit 3 Ch 9 Focus on Patterns: Tessellations (pp 642-644)materials correlated to this standard → |
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LESSON | HM.3.9.6. | Unit 3 Ch 9 Lesson 6: Identify Symmetry (pp 645-650)materials correlated to this standard → |
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LESSON | HM.3.9.7Exp. | Unit 3 Ch 9 Exploring Geometry Activity: Investigate Dilations (pp 651)materials correlated to this standard → |
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LESSON | HM.3.9.7. | Unit 3 Ch 9 Lesson 7: Identify and Perform Dilations (pp 652-658)materials correlated to this standard → |
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LESSON | HM.3.9.7Tec. | Unit 3 Ch 9 Technology Activity Compositions with Dilations (pp 659)materials correlated to this standard → |
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UNIT | HM.4. | Unit 4: Circles and Measurement | |||||

CHAPTER | HM.4.10. | Unit 4 Chapter 10: Properties of Circles | |||||

LESSON | HM.4.10.1Exp. | Unit 4 Ch 10 Exploring Geometry Activity: Explore Tangent Segments (pp 678)materials correlated to this standard → |
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LESSON | HM.4.10.1. | Unit 4 Ch 10 Lesson 1: Use Properties of Tangents (pp 679-686)materials correlated to this standard → |
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LESSON | HM.4.10.2. | Unit 4 Ch 10 Lesson 2: Find Arc Measures (pp 687-691)materials correlated to this standard → |
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LESSON | HM.4.10.3. | Unit 4 Ch 10 Lesson 3: Apply Properties of Chords (pp 692-698)materials correlated to this standard → |
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LESSON | HM.4.10.4Exp. | Unit 4 Ch 10 Exploring Geometry Activity: Explore Inscribed Angles (pp 699)materials correlated to this standard → |
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LESSON | HM.4.10.4. | Unit 4 Ch 10 Lesson 4: Use Inscribed Angles and Polygons (pp 700-707)materials correlated to this standard → |
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LESSON | HM.4.10.5. | Unit 4 Ch 10 Lesson 5: Apply Other Angle Relationships in Circles (pp 708-714)materials correlated to this standard → |
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LESSON | HM.4.10.6Exp. | Unit 4 Ch 10 Exploring Geometry Activity Investigate Segment Lengths (pp 716)materials correlated to this standard → |
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LESSON | HM.4.10.6. | Unit 4 Ch 10 Lesson 6: Find Segment Lengths in Circles (pp 717-723)materials correlated to this standard → |
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LESSON | HM.4.10.7. | Unit 4 Ch 10 Lesson 7: Write and Graph Equations of Circles (pp 725-731)materials correlated to this standard → |
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CHAPTER | HM.4.11. | Unit 4 Chapter 11: Measuring Length and Area | |||||

LESSON | HM.4.11.1. | Unit 4 Ch 11 Lesson 1: Areas of Triangles and Parallelograms (pp 748-754)materials correlated to this standard → |
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LESSON | HM.4.11.2Exp. | Unit 4 Ch 11 Exploring Geometry Activity: Areas of Trapezoids and Kites (pp 755)materials correlated to this standard → |
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LESSON | HM.4.11.2. | Unit 4 Ch 11 Lesson2: Areas of Trapezoids, Rhombuses, and Kites (pp 756-762)materials correlated to this standard → |
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LESSON | HM.4.11.3Exp. | Unit 4 Ch 11 Exploring Geometry Activity: Changing Dimensions of Figures (pp 763-764)materials correlated to this standard → |
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LESSON | HM.4.11.3. | Unit 4 Ch 11 Lesson 3: Perimeter and Area of Similar Figures (pp 765-764)materials correlated to this standard → |
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LESSON | HM.4.11.4. | Unit 4 Ch 11 Lesson 4: Circumference and Arc Length (pp 774-780)materials correlated to this standard → |
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LESSON | HM.4.11.4Foc. | Unit 4 Ch 11 Focus on Reasoning: Geometry on a Sphere (pp 781-782) | |||||

LESSON | HM.4.11.5. | Unit 4 Ch 11 Lesson 5: Areas of Circles and Sectors (pp 783-789)materials correlated to this standard → |
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LESSON | HM.4.11.6Exp. | Unit 4 Ch 11 Exploring Geometry Construction: Circumscribed and Inscribed Circles (pp 790-791)materials correlated to this standard → |
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LESSON | HM.4.11.6. | Unit 4 Ch 11 Lesson 6: Areas of Regular Polygons (pp 792-798)materials correlated to this standard → |
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LESSON | HM.4.11.6Spr. | Unit 4 Ch 11 Spreadsheet Activity Perimeter and Area of Polygons (pp 799)materials correlated to this standard → |
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LESSON | HM.4.11.7Exp. | Unit 4 Ch 11 Exploring Geometry Activity: Investigate Geometric Probability (pp 800)materials correlated to this standard → |
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LESSON | HM.4.11.7. | Unit 4 Ch 11 Lesson 7: Use Geometric Probability (pp 801-807)materials correlated to this standard → |
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CHAPTER | HM.4.12. | Unit 4 Chapter 12: Surface Area and Volume of Solids | |||||

LESSON | HM.4.12.1Exp. | Unit 4 Ch 12 Exploring Geometry Activity: Investigate Solids (pp 824-825)materials correlated to this standard → |
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LESSON | HM.4.12.1. | Unit 4 Ch 12 Lesson 1: Explore Solids (pp 826-833) | |||||

LESSON | HM.4.12.2Exp. | Unit 4 Ch 12 Exploring Geometry Activity: Investigate Surface Area (pp 834)materials correlated to this standard → |
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LESSON | HM.4.12.2. | Unit 4 Ch 12 Lesson 2: Surface Area of Prisms and Cylinders (pp 835-841)materials correlated to this standard → |
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LESSON | HM.4.12.3. | Unit 4 Ch 12 Lesson 3: Surface Area of Pyramids and Cones (pp 842-850) | |||||

LESSON | HM.4.12.4Exp. | Unit 4 Ch 12 Exploring Geometry Activity: Volume of Right and Oblique Prisms (pp 851-852)materials correlated to this standard → |
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LESSON | HM.4.12.4. | Unit 4 Ch 12 Lesson 4: Volume of Prisms and Cylinders (pp 853-861)materials correlated to this standard → |
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LESSON | HM.4.12.5Exp. | Unit 4 Ch 12 Exploring Geometry Activity: Investigate the Volume of a Pyramid (pp 862)materials correlated to this standard → |
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LESSON | HM.4.12.5. | Unit 4 Ch 12 Lesson 5: Volume of Pyramids and Cones (pp 863-870)materials correlated to this standard → |
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LESSON | HM.4.12.5Spr. | Unit 4 Ch 12 Spreadsheet Activity Minimize Surface Area (pp 871)materials correlated to this standard → |
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LESSON | HM.4.12.6. | Unit 4 Ch 12 Lesson 6: Surface Area and Volume of Spheres (pp 872-879)materials correlated to this standard → |
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LESSON | HM.4.12.7Exp. | Unit 4 Ch 12 Exploring Geometry Activity: Investigate Similar Solids (pp 880) | |||||

LESSON | HM.4.12.7. | Unit 4 Ch 12 Lesson 7: Explore Similar Solids (pp 881-888) |