# Congruence

• Experiment With Transformations In The Plane
• G.CO.1
Know precise definitions of angle, c...
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• G.CO.2
Represent transformations in the pla...
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• G.CO.3
Given a rectangle, parallelogram, tr...
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• G.CO.4
Develop definitions of rotations, re...
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• G.CO.5
Given a geometric figure and a rotat...
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• Understand Congruence In Terms Of Rigid Motions
• G.CO.6
Use geometric descriptions of rigid ...
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• G.CO.7
Use the definition of congruence in ...
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• G.CO.8
Explain how the criteria for triangl...
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• Prove Geometric Theorems
• G.CO.9
Prove theorems about lines and angle...
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• G.CO.10
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• G.CO.11
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• Make Geometric Constructions
• G.CO.12
Make formal geometric constructions ...
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• G.CO.13
Construct an equilateral triangle, a...
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• K-2
• 3-5
• 6-8
• 9-12
• math_attach

### Mission 2110: Angles (BBC)

Complete angle puzzles to defeat the Roboids and protect Earth.

### Mission 2110: Angles (BBC)

Complete angle puzzles to defeat the Roboids and protect Earth.

### Transformations - Reflections (NLVM)

Create objects with pattern block pieces and explore Reflections as transformations of the plane.

### Transformations - Rotations (NLVM)

Dynamically interact with and see the result of a rotation transformation.

### Transformations - Translations (NLVM)

Interact with and see the result of a translation transformation with this virtual manipulative.

### Algebraic Transformations (NCTM)

Flip and rotate a plus sign to observe some of the properties of transformations.

### Two-Column Proof Trivia

Draw a parallelogram to prove that the opposite sides are congruent and master two column proofs.

### Determine the New Coordinates - Shooting Pool (ASSET)

Transform points and shapes using coordinate geometry.

### Mission 2110: Angles (BBC)

Complete angle puzzles to defeat the Roboids and protect Earth.

### Congruency and Similarity (BBC)

Watch this video to learn about the different kinds of similar triangles, and practice identifying them.

### Congruent and Similar Shapes Quiz: Test Bite (BBC)

Test your knowledge of congruent and similar shapes.

### Congruency Postulates (Khan)

Click and drag the points of different triangles to make them congruent.

### Angles Jeopardy (Math-Play)

Play this fun game to test your knowledge about measuring and classifying angles.

### Transformations - Reflections (NLVM)

Create objects with pattern block pieces and explore Reflections as transformations of the plane.

### Transformations - Rotations (NLVM)

Dynamically interact with and see the result of a rotation transformation.

### Transformations - Translations (NLVM)

Interact with and see the result of a translation transformation with this virtual manipulative.

### Algebraic Transformations (NCTM)

Flip and rotate a plus sign to observe some of the properties of transformations.

### Geometry Definition Memory Game

Check your knowledge of geometric terms and definitions in this memory game.

### Proof: Parallel Lines 2

Create a two-column proof. All of the statements are there, just put them in order and pick the reasons. Difficulty level - Easy

### Proof: Parallel Lines 4

Create a two-column proof when you put the statements in order and pick the reasons.

### Two-Column Proof Trivia

Draw a parallelogram to prove that the opposite sides are congruent and master two column proofs.

### Two-Column Proof - Videos

Build your skills of using two-column proofs with this video tutorial.

### Triangles in Circles

Investigate central angles of a circle with this dynamic activity.

### Determine the New Coordinates - Shooting Pool (ASSET)

Transform points and shapes using coordinate geometry.

### Mission 2110: Angles (BBC)

Complete angle puzzles to defeat the Roboids and protect Earth.

### Congruency and Similarity (BBC)

Watch this video to learn about the different kinds of similar triangles, and practice identifying them.

### Congruent and Similar Shapes Quiz: Test Bite (BBC)

Test your knowledge of congruent and similar shapes.

### Congruency Postulates (Khan)

Click and drag the points of different triangles to make them congruent.

### Angles Jeopardy (Math-Play)

Play this fun game to test your knowledge about measuring and classifying angles.

### Transformations - Reflections (NLVM)

Create objects with pattern block pieces and explore Reflections as transformations of the plane.

### Transformations - Rotations (NLVM)

Dynamically interact with and see the result of a rotation transformation.

### Transformations - Translations (NLVM)

Interact with and see the result of a translation transformation with this virtual manipulative.

### Algebraic Transformations (NCTM)

Flip and rotate a plus sign to observe some of the properties of transformations.

### Geometry Definition Memory Game

Check your knowledge of geometric terms and definitions in this memory game.

### Proof: Parallel Lines 2

Create a two-column proof. All of the statements are there, just put them in order and pick the reasons. Difficulty level - Easy

### Proof: Parallel Lines 4

Create a two-column proof when you put the statements in order and pick the reasons.

### Two-Column Proof Trivia

Draw a parallelogram to prove that the opposite sides are congruent and master two column proofs.

### Two-Column Proof - Videos

Build your skills of using two-column proofs with this video tutorial.

### Triangles in Circles

Investigate central angles of a circle with this dynamic activity.

### Determine the New Coordinates - Shooting Pool (ASSET)

Transform points and shapes using coordinate geometry.

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