TRIANGLE CONGRUENCE TEST
Authored by Judy Cook
Mathematics
9th - 12th Grade
CCSS covered
Used 2K+ times
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About
This quiz comprehensively assesses triangle congruence concepts appropriate for high school geometry, specifically grades 9-12. Students must demonstrate mastery of fundamental triangle properties, including the triangle angle sum theorem and the definition of congruence. The core content focuses on identifying and applying triangle congruence postulates and theorems: Side-Side-Side (SSS), Side-Angle-Side (SAS), Angle-Side-Angle (ASA), Angle-Angle-Side (AAS), and Hypotenuse-Leg (HL) for right triangles. Students need strong spatial reasoning skills to analyze given triangle diagrams, determine which corresponding parts are marked as congruent, and select the appropriate theorem. The quiz also tests students' ability to distinguish between valid and invalid congruence methods, such as recognizing that AAA proves similarity but not congruence, and understanding when insufficient information is provided to establish congruence. Created by Judy Cook, a Mathematics teacher in the US who teaches grades 9-12. This assessment serves multiple instructional purposes in the geometry classroom, functioning effectively as a comprehensive review before a unit exam, a formative assessment to identify areas needing reinforcement, or homework practice to solidify understanding of congruence concepts. Teachers can use this quiz as a warm-up activity to activate prior knowledge before introducing proof writing, or as a diagnostic tool to determine students' readiness for more complex geometric reasoning. The varied question types support differentiated instruction by allowing students to progress from basic vocabulary and definitions to higher-order thinking about theorem application. This quiz 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 prove geometric theorems about triangles.
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you add up all of the angle measures in a triangle the total would be.....
Tags
CCSS.8.G.A.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the postulate, if possible, that makes the triangles congruent.
Tags
CCSS.HSG.SRT.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the postulate, if possible, that makes the triangles congruent.
Tags
CCSS.HSG.SRT.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the word CONGRUENT mean?
Tags
CCSS.8.G.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the postulate, if possible, that makes the triangles congruent.
Tags
CCSS.HSG.SRT.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the postulate, if possible, that makes triangles AED and CEB congruent.
Tags
CCSS.HSG.SRT.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Name the postulate, if possible, that makes the triangles congruent.
Tags
CCSS.HSG.SRT.B.5
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