High School Math Guide

Secondary I & I H Unit Guide - Semesters Unit 7

Congruence, Construction, & Proof

PACING

KEY LANGUAGE USE(S)

Semester:

Explain Argue

● Everyday: 17 days ● Regular: 6 days ● Honors: 6 days

KEY STANDARD(S) I.G.CO.12 I.G.CO.13

I.G.CO.5 I.G.CO.6 I.G.CO.7 I.G.CO.8

END OF UNIT COMPETENCIES WITH LANGUAGE EXPECTATIONS

By the end of Unit 7, students will be able to: ● identify congruent angles and sides between two triangles ● prove two triangles are congruent using correct math vocabulary such as: ○

congruent, equal, corresponding angles/sides/parts, ASA, SAS, AAS, SSS, CPCTC

● identify triangle congruence criteria ● explain how a sequence of rigid motions can be used to justify triangle congruence using correct math vocabulary such as: ○ coincide, corresponding angles/sides/parts, refection, translation, rotation, ● construct various geometric objects ● describe a sequence of transformations that would be used to get one shape onto another SCAFFOLDING IN ACTION

● Lesson 7.1: Jump start - Think-Pair-Share, Launch - readaloud Explore - geometry technology like Geogebra/Sketchpad ● Lesson 7.2: Explore - geometry technology like Geogebra/Sketchpad ● Lesson 7.3: Jump start - Notice and Wonder, Explore - compare and contrast different student strategies, successive partner shares ● Lesson 7.4: Launch - labeled diagrams for SAS, ASA, SSS, Explore - Think-Pair-Share ● Lesson 7.5: Launch - Think-Pair-Share ● Lesson 7.6: Launch - critique and correct problems, Explore - Think-Pair-Share, chunk the task by having students show one step at a time

Skill Building

Priority Lessons

Ready for More?

Extension

RESOURCES

● Unit 7 OUR Online Resource ● Desmos - Lesson 7.1 ● Desmos - Lesson 7.2 ● Desmos - Lesson 7.3 ● Desmos - Lesson 7.4 ● Desmos - Lesson 7.5

● Unit 7 Homework Help Videos for Students

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