Congruent Triangles Practice
Authored by Adrian Hernandez
Mathematics
10th Grade
CCSS covered
Used 466+ times
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About
This quiz focuses on congruent triangles, a fundamental topic in high school geometry that builds upon students' understanding of triangle properties and logical reasoning. The questions assess students' ability to identify congruence postulates (SSS, SAS, ASA, AAS), write proper congruence statements with correct vertex correspondence, and apply the principle that corresponding parts of congruent triangles are congruent (CPCTC). Students must demonstrate mastery of recognizing when triangles are congruent based on given information, understanding why SSA is not a valid congruence criterion, and correctly matching corresponding vertices, sides, and angles between congruent triangles. This material is appropriate for grade 10 geometry students who have already developed foundational knowledge of triangle properties, angle relationships, and basic geometric reasoning skills. Created by Adrian Hernandez, a Mathematics teacher in US who teaches grade 10. This quiz serves multiple instructional purposes throughout the congruent triangles unit, functioning effectively as a formative assessment tool to gauge student understanding before moving to more complex proofs. Teachers can deploy this quiz as a warm-up activity to activate prior knowledge, assign it as homework to reinforce classroom learning, or use it as focused practice after introducing each congruence postulate. The varied question formats help students transition from identifying congruence criteria to writing formal congruence statements, preparing them for the geometric proof writing that follows this foundational work. This assessment aligns with Common Core State Standards G-CO.7 and G-CO.8, which require students to use the definition of congruence in terms of rigid motions and use triangle congruence criteria to solve problems and prove relationships in geometric figures.
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22 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Are the triangles congruent, if yes, why?
SSS
SAS
ASA
Not Congruent
Tags
CCSS.HSG.SRT.B.5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Are the triangles congruent, if yes, why?
SAS
ASA
SSS
Not Congruent
Tags
CCSS.HSG.SRT.B.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Are the triangles congruent, if yes, why?
SSS
SAS
ASA
Not Congruent
Tags
CCSS.HSG.SRT.B.5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the correct congruence statement? ΔLEU≅______
ΔLGE
ΔLEG
ΔELG
Not Congruent
Tags
CCSS.HSG.SRT.B.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the correct congruence statement? ΔDEC ≅________
ΔAEB
ΔEAB
ΔBEA
Not Congruent
Tags
CCSS.HSG.CO.B.7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is not a valid reason to prove congruent triangles?
Tags
CCSS.HSG.SRT.B.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tags
CCSS.HSG.CO.B.7
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