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UNIT 4; Congruent Triangles

In this unit, we will learn how the movement of polygons affects the position and superficial appearance of the shapes, but does not distort any of the side or angle measurements and relationships.

 

Lesson 1: 4-1 & 4-2 {Classifying Triangles & Angles of Triangles}

 

Objective: Students will identify and classify triangles by angle and side measures.
CW: https://www.educreations.com/lesson/view/unit-4-4-1-4-3/25557764/?ref=app
HW: P. 240: 9-11, 21-23, 34-36, 57-59.  p. 250: 13-21 Odds, 41, 50


 

 

Lesson 2: 4-3 {Congruent Triangles}

Objective: Students will be able to name and use corresponding parts of congruent polygons and prove triangles congruent by using the definition of congruency.

CW:https://www.educreations.com/lesson/view/unit-4-4-3-congruent-triangles/34336047/?s=g3Gzv5

HW: p. 259: 9-15 odds, 23, 28, 29, 48-50, 58

 

 

Lesson 3: 4-4 {Proving Triangles Congruent (SSS, SAS) }

 

Objective: Students will be able to prove triangles congruent through SSS and SAS.

 

CW:https://www.educreations.com/lesson/view/unit-4-section-4-sss-sas/34428639/?s=jQX6EC

  • HW: p. 269: 5, 12, 16-19, 27-29
     

 

Lesson 4: 4-5 {Proving Triangles Congruent (ASA, AAS) }

 

  • Objective: Students will be able to prove triangles congruent through ASA and AAS.

 

 

CW: https://www.educreations.com/lesson/view/unit-4-4-5/25935410/?s=A4zG88&ref=app
HW: 
 

p. 278: 9, 14, 15, 19, 22, 23

 

 

 

Lesson 5:  Right Triangles, Equilateral Triangles, and Isosceles Triangles

Objective: Students will be able to prove triangles congruent through HL.

 

CW: https://www.educreations.com/lesson/view/unit-4-4-6/26147524/?ref=app

 

  • HW:

 

 

 

 

 

 

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