

Similarity Lesson 1
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
+4
Standards-aligned
VANESSA RICHARDSON
Used 36+ times
FREE Resource
7 Slides • 6 Questions
1
Unit 5 Similarity
Lesson 1
TEK 7.5A and 7.5C

2
Learning Intention
I intend for you to be able to......identify corresponding angles and sides in various shapes and orientations.
3
Success Criteria
You can .......identify corresponding angles in two figures
You can .......identify corresponding sides in two figures.
You can .......identify similar shapes compared to congruent shapes
4
Similar Figures
Similar figures have proportional corresponding sides and congruent corresponding angles
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Poll
What does corresponding mean?
Same position or place
Same value
Same size
Same color
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Multiple Select
On which field would the quarterback be behind the center?
Mercedes-Benz Superdome in Louisiana
Soldier Field in Illinois
Bank of America Stadium in North Carolina
Nissan Stadium in Tennessee
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Corresponding
Same place or position
Ex. It does not matter which field a quarterback is on. The position of the quarterback corresponds to the same location regardless of the field they are on.
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Multiple Choice
Congruent means "the same shape and same size". Which picture shows congruence?
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In similar figures, the corresponding angles must be CONGRUENT
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Multiple Choice
If ΔABC ∼ ΔDEF, Which angle corresponds with ∠A?
∠D
∠E
∠F
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Multiple Choice
If WXYZ ∼ ABCD, Which ∠ corresponds to ∠Y?
∠A
∠B
∠C
∠D
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Did you notice that?....
Did you notice that the order of the letters can help you read the diagram?
ΔABC ∼ ΔXYZ means that ∠A corresponds to ∠X and thatside AB corresponds with side XY
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Multiple Select
Well, that is the end for today. We discussed corresponding sides and angles, congruent shapes, and what makes shapes similar.
Select the success criteria that you know you can do.
I can identify corresponding angles in two figures
I can identify corresponding sides in two figures.
I can identify similar shapes vs. congruent shapes
Unit 5 Similarity
Lesson 1
TEK 7.5A and 7.5C

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