# Geo.2 Congruence

### Lesson 1

• I can identify corresponding parts from a congruence statement.
• I can use rigid transformations to figure out if figures are congruent.
• I can write a congruence statement.

### Lesson 2

• I can identify corresponding parts from a congruence statement.
• I can use rigid transformations to explain why figures are congruent.
• I can write a congruence statement.

### Lesson 3

• I can explain why if all the corresponding sides and angles of two triangles are congruent, then the triangles are congruent.

### Lesson 4

• I can write conjectures about what I need to know to prove two triangles are congruent.

### Lesson 5

• I can write a proof that segments of the same length are congruent.

### Lesson 6

• I can explain why the Side-Angle-Side Triangle Congruence Theorem works.
• I can use the Side-Angle-Side Triangle Congruence Theorem in a proof.

### Lesson 7

• I can explain why the Angle-Side-Angle Triangle Congruence Theorem works.
• I can use the Angle-Side-Angle Triangle Congruence Theorem in a proof.

### Lesson 8

• I can critique an explanation of the Perpendicular Bisector Theorem.
• I can explain why the Perpendicular Bisector Theorem is true.

### Lesson 9

• I can explain why the Side-Side-Side Triangle Congruence Theorem works.
• I can use the Side-Side-Side Triangle Congruence Theorem in a proof.

### Lesson 10

• I can use the Side-Side-Side, Angle-Side-Angle, and Side-Angle-Side Triangle Congruence Theorems in proofs.
• I can write conjectures about quadrilaterals.

### Lesson 11

• I know Side-Side-Angle does not guarantee triangles are congruent.

### Lesson 12

• I can critique a proof about quadrilaterals.
• I can prove theorems about quadrilaterals.
• I can rewrite a conjecture so it is specific enough to prove.

### Lesson 13

• I can prove theorems about the diagonals of a parallelogram.

### Lesson 14

• I can critique a proof about constructions.
• I can explain why constructions work.

### Lesson 15

• I can use rigid transformations to prove quadrilaterals are congruent.
• I can write conjectures about quadrilateral congruence.