Unit 4 - Day 1 - 11/26/12 - AIM: How can we prove that there are 180 degrees in a triangle?
Unit 4 Vocabulary List
Unit 4 - Classwork #1
Unit 4 - Day 1 Notes
Unit 4 - Day 2 - 11/27/12 - AIM: What is the triangle exterior angle theorem?
Unit 4 - Day 2 Notes
Triangle Exterior Angle Theorem Investigation Problems (From Class)
Unit 4 - Day 3 - 11/28/12 - AIM: What is the triangle inequality theorem?
Triangle Inequality Investigation
Unit 4 - Day 4 - 11/30/12 - AIM: What relationships exist between side lengths and angle measurements in triangles?
Unit 4 - Day 4 Notes
Unit 4 - Day 5 - 12/3/12 - AIM: What is the minimum amount of information needed to prove that two triangles are congruent?
Triangle Congruence Investigation Link
Triangle Congruence Investigation
Unit 4 - Day 5 Notes
Unit 4 - Day 6 - 12/4/12 - AIM: How can we prove that two triangles are congruent?
UNit 4 - Day 6 Notes
Unit 4 - Day 7 - 12/5/12 - AIM: Assign Winter Break Assignment and prepare for quiz!
Unit 4 Review - MS
Unit 4 Review - ES
Unit 4 Review Answers
Unit 4 - Day 8 - 12/6/12 - AIM: Unit 4 Quiz today!
Unit 4 - Day 9 - 12/7/12 - AIM: How can we construct congruent triangles using our congruence postulates?
Click here to watch how to construct congruent triangles using SSS!
Unit 4 - Day 9 Classwork
Unit 4 - Day 10 - 1/2/13 - AIM: How can we show that corresponding parts of congruent triangles are congruent?
Unit 4 - Day 10 Notes
Unit 4 - Day 10 Classwork
Unit 4 - Day 11 - 1/3/13 - AIM: What is a two-column proof and how do we use it?
Unit 4 - Day 11 Notes
Unit 4 - Day 11 Classwork
Unit 4 - Day 12 - 1/4/13 - AIM: How can we complete the same proof in several different ways?
Unit 4 - Day 12 Notes
Unit 4 - Day 12 Classwork
Unit 4 - Day 13 - 1/7/13 - AIM: How can we prove that two right triangles are congruent?
Unit 4 - Day 13 Notes
Unit 4 - Day 14 - 1/8/13 - AIM: How can we use GSP to explore conjectures about triangles?
Unit 4 - Day 14 Notes
GSP Special Conjectures about Triangles Investigation
Unit 4 - Day 15 - 1/9/13 - AIM: How do we appropriately name congruent figures and corresponding parts?
Unit 4 - Day 15 Notes
Classwork - MC Regents Questions - Congruent Triangles and CPCTC
Unit 4 - Day 16 - 1/10/13 - AIM: What is a flow chart proof and how can we use it?
Unit 4 - Day 16 Notes
Unit 4 - Day 16 Classwork (Practice with Flow Charts)
Unit 4 - Day 16 Classwork ANSWERS
Unit 4 - Day 17 - 1/11/13 - AIM: (At a PD. Sub today!) Practice with proofs!
Classwork - Practice with Proofs
Unit 4 - Day 17 - Classwork ANSWERS
Unit 4 - Day 18 - 1/14/13 - AIM: What is the converse of a conditional and how do we write a biconditional?
Unit 4 - Day 18 Notes
Classwork - Converses and Biconditionals
Unit 4 - Day 19 - 1/15/13 - AIM: Review Unit 4
Classwork - Review Unit 4 #1
Unit 4 Review #1 ANSWERS
Unit 4 - Day 20 - 1/16/13 - AIM: Review Unit 4
Classwork - Review Unit 4 #2
Unit 4 Review #2 ANSWERS
Unit 4 - Day 21 - 1/17/13 - AIM: Unit 4 Test today!
Below you will find links to videos that pertain to the topics we will discuss in class during this unit. These videos are not mandatory, although there might be some videos that I will ask you to watch for homework. You will be told which videos to watch and, as always, you can find your homework assignments here. Please be advised that this video list is not complete, nor do the videos necessarily address everything we've discussed in class. It's simply an extra resource to further your understanding of geometry!
Unit 4 - Day 1 - Proof: 180 degrees in a triangle
Unit 4 - Day 2 - Triangle Exterior Angle Theorem (Practice this concept here.)
Unit 4 - Day 3 & 4 - Triangle Inequalities (Practice this concept here and here.)
Unit 4 - Day 5 & 6 - SSS, Other Triangle Congruence Postulates (ASA, AAS, SAS) (Practice this concept here!)
Unit 4 - Day 11 - Proof Example with Congruent Triangles (Practice this concept here!)
- Example of Two-Column Proof
- Basic Triangle Proof Example
- Fill in Missing Parts of Two-Column Proofs (Practice)
Unit 4 Vocabulary List
Unit 4 - Classwork #1
Unit 4 - Day 1 Notes
Unit 4 - Day 2 - 11/27/12 - AIM: What is the triangle exterior angle theorem?
Unit 4 - Day 2 Notes
Triangle Exterior Angle Theorem Investigation Problems (From Class)
Unit 4 - Day 3 - 11/28/12 - AIM: What is the triangle inequality theorem?
Triangle Inequality Investigation
Unit 4 - Day 4 - 11/30/12 - AIM: What relationships exist between side lengths and angle measurements in triangles?
Unit 4 - Day 4 Notes
Unit 4 - Day 5 - 12/3/12 - AIM: What is the minimum amount of information needed to prove that two triangles are congruent?
Triangle Congruence Investigation Link
Triangle Congruence Investigation
Unit 4 - Day 5 Notes
Unit 4 - Day 6 - 12/4/12 - AIM: How can we prove that two triangles are congruent?
UNit 4 - Day 6 Notes
Unit 4 - Day 7 - 12/5/12 - AIM: Assign Winter Break Assignment and prepare for quiz!
Unit 4 Review - MS
Unit 4 Review - ES
Unit 4 Review Answers
Unit 4 - Day 8 - 12/6/12 - AIM: Unit 4 Quiz today!
Unit 4 - Day 9 - 12/7/12 - AIM: How can we construct congruent triangles using our congruence postulates?
Click here to watch how to construct congruent triangles using SSS!
Unit 4 - Day 9 Classwork
Unit 4 - Day 10 - 1/2/13 - AIM: How can we show that corresponding parts of congruent triangles are congruent?
Unit 4 - Day 10 Notes
Unit 4 - Day 10 Classwork
Unit 4 - Day 11 - 1/3/13 - AIM: What is a two-column proof and how do we use it?
Unit 4 - Day 11 Notes
Unit 4 - Day 11 Classwork
Unit 4 - Day 12 - 1/4/13 - AIM: How can we complete the same proof in several different ways?
Unit 4 - Day 12 Notes
Unit 4 - Day 12 Classwork
Unit 4 - Day 13 - 1/7/13 - AIM: How can we prove that two right triangles are congruent?
Unit 4 - Day 13 Notes
Unit 4 - Day 14 - 1/8/13 - AIM: How can we use GSP to explore conjectures about triangles?
Unit 4 - Day 14 Notes
GSP Special Conjectures about Triangles Investigation
Unit 4 - Day 15 - 1/9/13 - AIM: How do we appropriately name congruent figures and corresponding parts?
Unit 4 - Day 15 Notes
Classwork - MC Regents Questions - Congruent Triangles and CPCTC
Unit 4 - Day 16 - 1/10/13 - AIM: What is a flow chart proof and how can we use it?
Unit 4 - Day 16 Notes
Unit 4 - Day 16 Classwork (Practice with Flow Charts)
Unit 4 - Day 16 Classwork ANSWERS
Unit 4 - Day 17 - 1/11/13 - AIM: (At a PD. Sub today!) Practice with proofs!
Classwork - Practice with Proofs
Unit 4 - Day 17 - Classwork ANSWERS
Unit 4 - Day 18 - 1/14/13 - AIM: What is the converse of a conditional and how do we write a biconditional?
Unit 4 - Day 18 Notes
Classwork - Converses and Biconditionals
Unit 4 - Day 19 - 1/15/13 - AIM: Review Unit 4
Classwork - Review Unit 4 #1
Unit 4 Review #1 ANSWERS
Unit 4 - Day 20 - 1/16/13 - AIM: Review Unit 4
Classwork - Review Unit 4 #2
Unit 4 Review #2 ANSWERS
Unit 4 - Day 21 - 1/17/13 - AIM: Unit 4 Test today!
Below you will find links to videos that pertain to the topics we will discuss in class during this unit. These videos are not mandatory, although there might be some videos that I will ask you to watch for homework. You will be told which videos to watch and, as always, you can find your homework assignments here. Please be advised that this video list is not complete, nor do the videos necessarily address everything we've discussed in class. It's simply an extra resource to further your understanding of geometry!
Unit 4 - Day 1 - Proof: 180 degrees in a triangle
Unit 4 - Day 2 - Triangle Exterior Angle Theorem (Practice this concept here.)
Unit 4 - Day 3 & 4 - Triangle Inequalities (Practice this concept here and here.)
Unit 4 - Day 5 & 6 - SSS, Other Triangle Congruence Postulates (ASA, AAS, SAS) (Practice this concept here!)
Unit 4 - Day 11 - Proof Example with Congruent Triangles (Practice this concept here!)
- Example of Two-Column Proof
- Basic Triangle Proof Example
- Fill in Missing Parts of Two-Column Proofs (Practice)