# Unit 1 – Foundations of Geometry

### Pearson Envision (EHS and Chisholm)

1-1: Measuring Segments and Angles

**Measuring Segments and Angles **

**Measuring Segments **

**Segment Addition Postulate **

### McDougal Littell Geometry (Drummond and Garber)

1.3: Segments and Their Measure

**Segments and Their Measure **

**Segment Addition Postulate **

**Finding Distance **

### McDougal Littell Geometry (Drummond and Garber)

1.3: Segments and Their Measure

**Segments and Their Measure **

**Segment Addition Postulate **

**Finding Distance **

### Pearson Geometry Common Core (OBA)

1-3: Measuring Segments

**Measuring Segments **

**Measuring Length Using a Ruler **

**Segment Addition Postulate **

**Using the Midpoint **

### McGraw Hill Oklahoma Geometry (EHS)

1-2: Linear Measure

**Linear Measure **

**Measuring Length Using a Ruler **

**Segment Addition Postulate **

### McGraw Hill Oklahoma Geometry (EHS)

2-7: Proving Segment Relationships

**2-7: Proving Segment Relationships **

**Segment Addition Postulate **

**Proving Segment Relationships **

### HMH Geometry (Kremlin and Pioneer)

1.1: Segment Lengths and Midpoints

**Segment Lengths and Midpoints **

**Construction: Copy a Segment **

**Finding Distance **

**Find a Midpoint **

**Construction: Construct a Perpendicular Bisector **

### Big Ideas MATH Geometry: (Cimarron, Covington Douglas, and Waukomis)

1.2: Measuring and Constructing Segments

**Measuring Length Using a Ruler **

**Construction: Copy a Segment **

**Segments and Congruence **

**Segment Addition Postulate **

### Pearson Envision (EHS and Chisholm)

1-1: Measuring Segments and Angles

**Measuring Segments and Angles **

**Using a Protractor to Measure Angles **

**Angle Addition Postulate **

### Big Ideas MATH Geometry: (Cimarron, Covington Douglas, and Waukomis)

1.5: Measuring and Constructing Angles, 1.6: Describing Pairs of Angles, 2.5: Proving Statements about Segments and Angles

**1.5: Measuring and Constructing Angles **

**Measuring and Constructing Angles **

**Measure and Classify Angles **

**Construction: Copy an Angle **

**Angle Addition Postulate **

**Construction: Angle Bisector **

**1.6: Describing Pairs of Angles **

**Angle Pair Relationships **

**Angle Addition Postulate **

**Use Algebra to Find an Angle Measure **

**2.5: Proving Statements about Segments and Angles **

**Proving Statements about Segments and Angles **

### HMH Geometry (Kremlin and Pioneer)

1.2: Angle Measures and Angle Bisectors

**Angle Measures and Angle Bisectors**

**Construction: Copy an Angle**

**Measure and Classify Angles**

**Construction: Construct an Angle Bisector**

### Pearson Geometry Common Core (OBA)

1-4: Measuring Angles

**1-4: Measuring Angles**

**Measuring Angles**

**Measure and Classify Angles**

**Angle Addition Postulate**

**1-5: Exploring Angle Pairs**

**Exploring Angle Pairs**

**Linear Pair Postulate**

**Finding Angle Measure Using an Angle Bisector**

**1-5: Exploring Angle Pairs**

**Exploring Angle Pairs**

**Linear Pair Postulate**

**Finding Angle Measure Using an Angle Bisector**

### McGraw Hill Oklahoma Geometry (EHS)

1-4: Angle Measure, 1-5: Angle Relationships, 2-8: Proving Angle Relationships

**Angle Measure **

**Measure and Classify Angles **

**Construction: Copy an Angle **

**Use Algebra to Find an Angle Measure **

**1-5: Angle Relationships **

**Angle Relationships **

**A****ngle Pair Relationships **

**2-8: Proving Angle Relationships **

**Proving Angle Relationships **

### McDougal Littell Geometry (Drummond and Garber)

1.4: Angles and Their Measure, 1.6: Angle Pair Relationships

**1.4: Angles and Their Measure **

**Angles and Their Measure **

**Angle Addition Postulate **

**Measure and Classify Angles **

**1.6: Angle Pair Relationships **

**Angle Pair Relationships **

### McDougal Littell Geometry (Drummond and Garber)

1.4: Angles and Their Measure, 1.6: Angle Pair Relationships

**McDougal Littell Geometry (Drummond and Garber) **

**1.4: Angles and Their Measure **

**Angles and Their Measure **

**Angle Addition Postulate **

**Measure and Classify Angles**

**1.6: Angle Pair Relationships **

**Angle Pair Relationships **

### Pearson Envision (EHS)

1-2: Basic Constructions

**Copy a Segment**

**Copy an Angle**

**Construct a Perpendicular Bisector**

**Construct an Angle Bisector**

### Big Ideas MATH Geometry: (Cimarron)

1.2 – Measuring and Constructing Segments, 1.5 – Measuring and Constructing Angles

**Measuring Length Using a Ruler**

**Construction: Copy a Segment**

**Segments and Congruence**

**Segment Addition Postulate**

**1.5 – Measuring and Constructing Angles**

**Measuring and Constructing Angles**

**Measure and Classify Angles**

**Construction: Copy an Angle**

**Angle Addition Postulate**

**Construction: Angle Bisector**

### HMH Geometry (Kremlin and Pioneer)

6.1 Justifying Constructions

**Justifying Constructions **

### Pearson Geometry Common Core (OBA)

1-6: Basic Constructions

**Basic Constructions**

**Construct Congruent Segments**

**Construct Congruent Angles**

**Construct an Angle Bisector**

**Construct a Perpendicular Bisector**

### Pearson Envision (EHS)

1-3: Midpoint and Distance

**Midpoint and Distance**

**Find a Midpoint**

**Partition a Segment**

**Finding Distance**

### Big Ideas MATH Geometry: (Cimarron)

1.3: Using Midpoints and Distance Formulas

**Using Midpoint and Distance Formulas**

**Find a Midpoint**

**Find the Endpoint Given an Endpoint and Midpoint**

**Using the Midpoint to Find the Measure of a Segment**

**C****onstruction: Bisect a Segment**

**Finding Distance**

### HMH Geometry (Kremlin and Pioneer)

1.1 - Segment Length and Midpoints

**Segment Lengths and Midpoints**

**Construction: Copy a Segment**

**Finding Distance**

**Find a Midpoint**

**Construction: Construct a Perpendicular Bisector**

### McGraw Hill Oklahoma Geometry (EHS)

1-3: Distance and Midpoints

**Distance and Midpoint**

**Finding Distance**

**Find a Midpoint**

**Find the Endpoint Given an Endpoint and Midpoint**

**Using the Midpoint to Find the Measure of a Segment**

**Construction: Bisect a Segment**

### McDougal Littell Geometry (Drummond and Garber)

1.5: Segment and Angle Bisectors

**Segment and Angle Bisectors**

**Find a Midpoint**

**Find the Endpoint Given an Endpoint and Midpoint**

**Angle Measures and Angle Bisectors**

### Pearson Geometry Common Core (OBA)

1.7: Midpoint and Distance in the Coordinate Plane

**Midpoint and Distance in the Coordinate Plane**

**Find a Midpoint**

**Find the Endpoint Given an Endpoint and Midpoint**

**Finding Distance**

### Pearson Envision (EHS)

1-4: Inductive Reasoning

**Inductive Reasoning**

### Big Ideas MATH Geometry: (Cimarron)

2.2: Inductive and Deductive Reasoning

**Inductive and Deductive Reasoning**

**Making Conjectures**

**Conjectures and Counterexamples**

**Law of Detachment**

**Law of Syllogism**

### HMH Geometry (Kremlin and Pioneer)

1.4: Reasoning and Proof

**Reasoning and Proof**

**Inductive and Deductive Reasoning**

**Conditional Statements**

**Two Column Proofs**

### McGraw Hill Oklahoma Geometry (EHS)

2-1: Inductive Reasoning and Conjecture

**Inductive Reasoning and Conjecture**

### McDougal Littell Geometry (Drummond and Garber)

1.1: Patterns and Inductive Reasoning

**Patterns and Inductive Reasoning**

**Making Conjectures**

**Conjectures and Counterexamples**

### Pearson Geometry Common Core (OBA)

2-1: Patterns and Inductive Reasoning

**Patterns and Inductive Reasoning**

**Making Conjectures**

**Conjectures and Counterexamples**

### Pearson Envision (EHS)

1-5: Conditional Statements

**Conditional Statements**

**Find a Truth Value of a Conditional**

**Truth Value of a Converse, Inverse, and Contrapositive**

**Biconditional Statements**

### Big Ideas MATH Geometry: (Cimarron)

2.1: Conditional Statements

**Conditional Statements**

**Writing If-Then Statements**

**Biconditional Statements**

**Find a Truth Value of a Conditional**

### HMH Geometry (Kremlin and Pioneer)

1.4: Reasoning and Proof

**Reasoning and Proof**

**Inductive and Deductive Reasoning**

**Conditional Statements**

**Two Column Proofs**

### McGraw Hill Oklahoma Geometry (EHS)

2-3: Conditional Statements

**Conditional Statements**

**Writing If-Then Statements**

**Find a Truth Value of a Conditional**

**Truth Value of a Converse, Inverse, and Contrapositive**

### McDougal Littell Geometry (Drummond and Garber)

2.1: Conditional Statements, 2.2: Definitions and Biconditional Statements

**2.1: Conditional Statements**

**Conditional Statements**

**Writing If-Then Statements**

**Conjectures and Counterexamples**

**Converse, Inverse, and Contrapositive**

**2.2: Definitions and Biconditional Statements**

**Biconditional Statements**

**Write a Biconditional Statement**

### Pearson Geometry Common Core (OBA)

2-2: Conditional Statements, 2-3: Biconditionals and Definitions

**Conditional Statements**

**Writing If-Then Statements**

**Find a Truth Value of a Conditional**

**Biconditionals and Definitions**

**Biconditional Statements**

### Pearson Envision (EHS)

1-6: Deductive Reasoning

**1-6: Deductive Reasoning**

**Deductive Reasoning**

**Law of Detachment**

### Big Ideas MATH Geometry: (Cimarron)

2.2: Inductive and Deductive Reasoning

**Inductive and Deductive Reasoning**

**Making Conjectures**

**Conjectures and Counterexamples**

**Law of Detachment**

**Law of Syllogism**

### HMH Geometry (Kremlin and Pioneer)

1.4: Reasoning and Proof

**Reasoning and Proof**

**Inductive and Deductive Reasoning**

**Conditional Statements**

**Two Column Proofs**

### McGraw Hill Oklahoma Geometry (EHS)

2-4: Deductive Reasoning

**2-4: Deductive Reasoning**

**Deductive Reasoning**

**Law of Detachment**

**Law of Syllogism**

### McDougal Littell Geometry (Drummond and Garber)

2.3: Deductive Reasoning

**Deductive Reasoning**

**Proof Symbolic Notation**

**Converse, Inverse, and Contrapositive**

**Law of Detachment**

**Law of Syllogism**

### Pearson Geometry Common Core (OBA)

2-4: Deductive Reasoning

**2-4: Deductive Reasoning **

**Deductive Reasoning**

**Law of Detachment**

**Law of Syllogism**

### Pearson Envision (EHS)

1-7: Writing Proofs

**Two Column Proofs**

**Vertical Angle Theorem**

**Paragraph Proof**

### Big Ideas MATH Geometry: (Cimarron)

2.3 – Postulates and Diagrams, 2.4 Algebraic Reasoning, 2.6 – Proving Geometric Relationships,

**2.3 – Postulates and Diagrams**

**Postulates and Diagrams**

**2.4 Algebraic Reasoning**

**Algebraic Reasoning**

**2.6 – Proving Geometric Relationships**

**Proving Geometric Relationships**

**Paragraph Proofs**

**Two Column Proofs**

### HMH Geometry (Kremlin and Pioneer)

1.4: Reasoning and Proof

**1.4: Reasoning and Proof**

**Reasoning and Proof**

**Inductive and Deductive Reasoning**

**Conditional Statements**

**Two Column Proofs**

### McGraw Hill Oklahoma Geometry (EHS)

2-2: Logic, 2-5: Postulates and Paragraph Proofs, 2-6: Algebraic Proof

**Logic**

**Truth Value of a Converse, Inverse, and Contrapositive**

**2-6: Algebraic Proof**

**Algebraic Proofs**

### McDougal Littell Geometry (Drummond and Garber)

2.4: Reasoning with Properties from Algebra, 2.5: Proving Statements about Segments

**2.4: Reasoning with Properties from Algebra**

**Reasoning with Properties from Algebra**

**2.5: Proving Statements about Segments**

**Proving Statements about Segments**

**Paragraph Proofs**

**Two Column Proofs**

**2.6: Proving Statements about Angles**

**Proving Statements about Angles**

**Proving Angles Congruent**

### Pearson Geometry Common Core (OBA)

2-5: Reasoning in Algebra and Geometry, 2-6: Proving Angles Congruent

**Pearson Geometry Common Core (OBA)**

**2-5: Reasoning in Algebra and Geometry**

**Reasoning in Algebra and Geometry**

**Using Properties of Equality and Congruence**

**Two Column Proofs**

**2-6: Proving Angles Congruent**

**Proving Angles Congruent**

**Vertical Angle Theorem**

**Congruent Supplements Theorem**

**Paragraph Proofs**

### Pearson Envision (EHS), McGraw Hill Oklahoma Geometry (EHS)

1-8: Indirect Proof, 5-4: Indirect Proof

**Pearson Envision (EHS)**

**1-8: Indirect Proof**

**Indirect Proof**

**McGraw Hill Oklahoma Geometry (EHS)**

**5-4: Indirect Proof**

**Indirect Proof**

### Big Ideas MATH Geometry: (Cimarron)

6.5: Indirect Proof and Inequalities in One Triangle

**Big Ideas MATH Geometry: (Cimarron)**

**6.5: Indirect Proof and Inequalities in One Triangle (repeat)**

**Indirect Proof and Inequalities in One Triangle**

**Indirect Proof**

**Triangle Inequality Theorem**

### Pearson Geometry Common Core (OBA)

5-5: Indirect Proof