Unit 4 Test: Congruent Triangles
Authored by Logan Sumpter
Mathematics
9th - 11th Grade
CCSS covered
Used 200+ times
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About
This quiz thoroughly assesses student understanding of congruent triangles, making it appropriate for 9th through 11th grade geometry students. The questions cover essential concepts including triangle congruence criteria (SSS, SAS, ASA, AAS), triangle classification by angles and sides, angle relationships within triangles, the triangle inequality theorem, and properties of isosceles triangles. Students must demonstrate their ability to identify congruence patterns from diagrams, calculate unknown angle measures using properties of congruent triangles, determine missing information needed to prove triangles congruent, and apply the relationship between side lengths and opposite angles. The assessment requires both conceptual understanding of congruence postulates and computational skills for solving algebraic equations involving triangle measurements. Created by Logan Sumpter, a Mathematics teacher in US who teaches grade 9-11. This comprehensive unit test provides an excellent tool for evaluating student mastery of triangle congruence before moving to more advanced geometric proof concepts. The quiz works effectively as a summative assessment following instruction on triangle congruence, though individual questions can serve as formative assessment during the learning process or as targeted practice for specific concepts like the triangle inequality theorem or isosceles triangle properties. Teachers can use this assessment for end-of-unit evaluation, test preparation, or diagnostic purposes to identify areas where students need additional support. The content aligns with Common Core standards G-CO.7 (using congruence criteria for triangles), G-CO.8 (proving geometric theorems about triangles), and G-CO.10 (proving theorems about triangles), supporting the progression from basic triangle properties through formal geometric reasoning.
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Student View
16 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Equiangular
Acute
Right
Obtuse
Tags
CCSS.4.G.A.2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the measure of angle 1?
63
49
87
44
Tags
CCSS.7.G.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the measure of angle 3?
52
79
38
63
Tags
CCSS.8.G.A.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6
11
4
9
Tags
CCSS.8.G.A.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
75
69
45
50
Tags
CCSS.8.G.A.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
60
4
180
8
Tags
CCSS.8.G.A.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What triangle congruence criteria is shown in the given diagram?
Tags
CCSS.HSG.SRT.B.5
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