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Rigid Transformations

Mathematics

9th - 10th Grade

CCSS covered

Used 456+ times

Rigid Transformations
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This quiz focuses on rigid transformations in coordinate geometry, a fundamental topic in high school geometry appropriate for grades 9-10. The questions systematically assess students' understanding of the three main types of rigid transformations: translations (slides), reflections (flips), and rotations (turns). Students need to master several interconnected concepts to succeed with this material. They must understand how to describe translations using both verbal descriptions (such as "right 2, down 5") and algebraic notation like (x, y) → (x + a, y + b). For reflections, students need to visualize and apply the rules for reflecting points and figures across the x-axis, y-axis, and the line y = x, understanding how coordinates change in each case. Rotation problems require students to identify angle measures and directions (clockwise versus counterclockwise) while recognizing that equivalent rotations can be described in multiple ways. Throughout all transformation types, students must be able to analyze coordinate changes, interpret visual representations, and connect algebraic rules to geometric movements. Created by a Mathematics teacher in the US who teaches grades 9-10. This quiz serves as an excellent tool for formative assessment and skill reinforcement in the geometry classroom. Teachers can deploy it as a warm-up activity to activate prior knowledge before introducing more complex transformation sequences, or use it for guided practice during direct instruction on rigid transformations. The variety of question formats makes it particularly valuable for homework assignments where students can work independently to solidify their understanding of coordinate transformations. As a review tool before unit tests or state assessments, this quiz helps identify specific areas where students need additional support, whether in translation notation, reflection rules, or rotation identification. The content directly supports Common Core standards G.CO.2, G.CO.4, and G.CO.5, which require students to represent transformations as geometric functions, develop definitions of rotations, reflections, and translations, and use geometric descriptions of rigid motions to transform figures and predict the effects of transformations on given figures.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Determine how to translate triangle ABC to triangle A'B'C'. 

right 2, down 5
right 2, down 9
left 2, up 9
left 2, down 9

Tags

CCSS.HSG.CO.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

5 units down and 5 units to the right
5 units down and 1 to the right
8 units down and 5 units to the right
5 units down and 4 units to the right

Tags

CCSS.HSG.CO.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which answer shows a reflection across the y-axis?

a
b
c
d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which algebraic rule shows how triangle ABC being translated to triangle A'B'C'?

(x, y) --> (x - 3, y + 8)
(x, y) --> (x + 3, y - 8)
(x, y) --> (x - 4, y + 9)
(x, y) --> (x + 4, y - 9)

Tags

CCSS.HSG.CO.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many degrees was the figure rotated?

90 degrees counterclockwise 
180 degrees
270 counterclockwise 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the transformation from ABCD to A'B'C'D'.

Translation
Reflection across the x-axis
Reflection across the y-axis
90o counter clockwise rotation

Tags

CCSS.HSG.CO.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the transformation from A to D.

90o Clockwise Rotation
270o Counter Clockwise Rotation
180o Rotation
270o Clockwise Rotation
90o Counter Clockwise Rotation
360o Rotation

Tags

CCSS.8.G.A.3

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