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Congruent Triangles Quiz (1A) - Printable Math Worksheets 11th Grade - Wayground

Congruent Triangles Quiz (1A)

Fabian Manning

Created by Fabian Manning

15 questions

11th Grade

Math

Updated Oct 2026

Congruent Triangles Quiz (1A) is a Grade 11 mathematics worksheet that helps students identify and justify triangle congruence using SSS, SAS, and AAS criteria. Students complete one matching item and 14 multiple-choice questions that ask them to recognize congruence patterns, identify corresponding angles and sides, determine whether figures are congruent, and select the correct postulate for a pair of triangles. This free printable worksheet is useful for introducing or reviewing the vocabulary and reasoning behind triangle congruence. The varied question format checks whether students can distinguish among postulates rather than rely on a single memorized pattern, while the correspondence questions reinforce how matching parts are named. It includes a complete answer key for efficient review, grading, or independent practice.

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Congruent Triangles Quiz (1A)

Total questions: 15

Name
Class
Date
1.

Match the following

Match the following

SSS

Match the following

SAS

Match the following

AAS

Match the following

ASA

2.
Is this SSS?

Is this SSS?

a)

Yes

b)

No

3.
Which one is this?

Which one is this?

a)

HL

b)

SSS

c)

SAS

d)

ASA

4.
Question Image

a)

HL

b)

SAS

c)

SSS

d)

ASA

5.
Is this SSS?

Is this SSS?

a)

Yes

b)

No

6.
Is this AAS

Is this AAS

a)

Yes

b)

No

7.
∠A = ≅
 ∠A = ≅
a)
∠M
b)
∠N
c)
∠L
8.
Matching sides are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Sides
9.
Determine the relationship of the figures.

Determine the relationship of the figures.

a)

Congruent

b)

Not Congruent

c)

Similar

10.
What is the correct postulate to prove these two triangles congruent?

What is the correct postulate to prove these two triangles congruent?

a)

SSS

b)

SAS

c)

ASA

d)

AAS

e)

HL

11.
What is the correct postulate to prove these two triangles congruent?

What is the correct postulate to prove these two triangles congruent?

a)

SSS

b)

SAS

c)

ASA

d)

AAS

e)

HL

12.
What is the correct postulate to prove these two triangles congruent?

What is the correct postulate to prove these two triangles congruent?

a)

SSS

b)

SAS

c)

ASA

d)

AAS

e)

HL

13.
What is the correct postulate to prove these two triangles congruent?

What is the correct postulate to prove these two triangles congruent?

a)

SSS

b)

SAS

c)

ASA

d)

AAS

e)

HL

14.
What is the correct postulate to prove these two triangles congruent?

What is the correct postulate to prove these two triangles congruent?

a)

SSS

b)

SAS

c)

ASA

d)

AAS

e)

HL

15.
What is the correct postulate to prove these two triangles congruent?

What is the correct postulate to prove these two triangles congruent?

a)

SSS

b)

SAS

c)

ASA

d)

AAS

e)

HL

WaygroundAnswer Key

Congruent Triangles Quiz (1A)

Total questions: 15

1.
 - 

SSS

,  - 

SAS

,  - 

AAS

,  - 

ASA

2.
a)

Yes

3.
c)

SAS

4.
d)

ASA

5.
b)

No

6.
a)

Yes

7.
a) ∠M
8.
a) Corresponding Sides
9.
a)

Congruent

10.
d)

AAS

11.
a)

SSS

12.
d)

AAS

13.
d)

AAS

14.
a)

SSS

15.
d)

AAS

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FAQs

What does the Congruent Triangles Quiz (1A) cover?

This Grade 11 worksheet focuses on identifying corresponding sides and angles, deciding whether pairs of triangles are congruent, and selecting SSS, SAS, or AAS as the correct congruence postulate. Its one matching item and 14 multiple-choice questions require students to recognize the given relationship and connect it to the appropriate triangle-congruence criterion.

How can I use this worksheet to teach triangle congruence postulates?

Introduce the three conditions represented in the quiz—SSS, SAS, and AAS—then model how to identify the matching sides and angles before choosing a postulate. Use the matching and correspondence questions first, and have students explain why a set of given parts supports SSS, SAS, or AAS before they complete the postulate-selection items.

What mistakes should I watch for when students complete this congruent triangles quiz?

Watch for students confusing corresponding sides with corresponding angles or choosing a postulate based only on the number of marked parts. They may also select SAS when the angle is not included between the two sides, or confuse AAS with ASA; ask them to name the parts and check their order before selecting an answer.

How do I assign and grade the Congruent Triangles Quiz (1A)?

The worksheet is available as a printable PDF and as a digital quiz on Wayground, with a complete answer key for all 15 items. You can grade printable submissions by scanning student work with the Wayground for Teachers app, or use the digital version for online assignment and grading.

How can I differentiate this triangle congruence worksheet for my students?

In the worksheet’s Advanced Settings, adjust font spacing or font size to give the matching and multiple-choice items more visual space. You can also enable a dyslexia-friendly font or translate the worksheet into another language when that better supports students working with the congruence vocabulary.

Where can I find more worksheets like this on Wayground?

Wayground offers a comprehensive collection of free printable worksheets and practice problems across all subjects, with downloadable PDFs and answer keys to help students master essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.

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