8-1  Proving Triangles Congruent:  SSS and SAS

Objectives:  After this lesson, you should be able to:

• Identify included sides and angles
• Investigate to see if you can prove triangles congruent by SSS
• Investigate to see if you can prove triangles congruent by SAS
• Identify ways that don’t work to prove triangles congruent

Activity I:  Exploring SSS and SAS

Homework:  Read and take notes on p. 405 – 409 and do p. 409 # 1 – 14, 16 - 17

Wednesday,
February 11      

Objectives:  After this lesson, you should be able to:

• Investigate to see if you can prove triangles congruent by ASA
• Investigate to see if you can prove triangles congruent by AAS

Activity II:  Exploring ASA, AAS,

Homework:  Read and take notes on p. 414 – 416 and do p. 416 # 1 – 14

8-3  Congruent Right Triangles and Learning what does and doesn’t prove triangles congruent

Objectives:  After this lesson, you should be able to:

• Investigate to see if you can prove triangles congruent by AAA
• Investigate to see if you can prove triangles congruent by HL
• Investigate to see if you can prove triangles congruent by ASS

Activity III:  Exploring AAA, HL, and  ASS,

Objectives:  After this lesson, you should be able to:

• Successfully write proofs to prove triangles congruent

Homework:  Do p. 411 #18 – 23 and  p. 417 # 18-23, 27 – 29 and 
p. 423 # 12, 13, and 18-20.

Objectives:  After this lesson, you should be able to:

• Identify applications of congruent triangles in the world around you
• Classify types of bridges and explain what makes them rigid and strong.

Homework:  Finish sections 8.1 – 8.3 in your blue book and study for the mid-chapter quiz tomorrow

Objectives:  After this lesson, you should be able to:

• Successfully write proofs to prove triangles congruent
• Explain what CPCTC stands for and how to use it in proofs

Activity:  Mid Chapter Quiz (over sections 8-1 to 8-3)
Homework:        Reteaching Worksheet 8-4 and Practice Worksheet 8-4

8.4(cont.) and 8-5 Using More than One Pair of Congruent Triangles

• Use transformations to help identify possible congruent triangles when there are overlapping triangles.
• Prove two triangles congruent by first proving two other triangles are congruent – Detour proofs!!
• Review the types of proofs – 2-column, paragraph, indirect, flow proofs

Homework:  Worksheet

Objectives:  After this lesson, you should be able to:

• Use transformations to help identify possible congruent triangles when there are overlapping triangles.
• Prove two triangles congruent by first proving two other triangles are congruent – Detour proofs!!
• Review the types of proofs – 2-column, paragraph, indirect, flow proofs

Homework:  Read and take notes on p. 433 – 435 and do p. 436 # 1-17, 19-21

Chapter 8 Review
Homework:  Practice test

Test over Chapter 8
Blue Note Books due!