School Improvement in Maryland

Public Release Item: Public Release items have appeared on HSA forms and then are released for public viewing and use. Releasing items is one step to ensuring that schools, districts, and other stakeholders understand how the core learning goals are assessed on the HSA.

Goal 2 Geometry, Measurement, And Reasoning

Expectation 2.1 The student will represent and analyze two- and three-dimensional figures using tools and technology when appropriate.

Indicator 2.1.3 The student will use transformations to move figures, create designs, and/or demonstrate geometric properties.

Assessment Limits:

  • Transformations include reflections, rotations, translations, and dilations.
  • Items should go beyond the identification of transformations.
  • Essential properties and relationships include the following: congruence, similarity, and symmetry.
  • The student’s explanation of a transformation must include the following:
    • translation – distance and direction
    • reflection – line of reflection
    • rotation – center of rotation, angle measure, direction (clockwise or counterclockwise)
    • dilation – center and scale factor
  • Paper folding and the use of MirasTM and mirrors are appropriate methods for performing transformations, and their use must be referenced.

Selected Response Item - Released in 2005

Look at the figure on the left and its image on the right.

Which of these describes the transformation of the original figure onto its image?

  1. translation and dilation
  2. translation and reflection
  3. translation
  4. reflection
/share/clg/xml/public_release/mathematics/2005_213_geo07.xml

Correct Answer:
B

Selected Response Item - Released in 2000

A meeting room has the picture shown below on one of the walls. A mirror on the opposite wall shows a reflection of the picture.

What is the appearance of the picture in the mirror?





/share/clg/xml/public_release/mathematics/2000_213_geo02.xml

Correct Answer:
A

Selected Response Item - Released in 2000

ΔPQR has been translated to the position of ΔP'Q'R'. Rectangle WXYZ will be translated to a corresponding position using the same transformation.

What is the location of X' in the new rectangle?

  1. (0, 2)
  2. (10, 2)
  3. (0, 12)
  4. (10, 12)
/share/clg/xml/public_release/mathematics/2000_213_geo15.xml

Correct Answer:
B

Selected Response Item - Released in 2000

A line segment on the coordinate plane joins (0, 5) to the origin. After a rotation the slope of this segment is 0. Which of these could be the angle of rotation?

  1. 45° clockwise
  2. 90° clockwise
  3. 180° clockwise
  4. 360° clockwise
/share/clg/xml/public_release/mathematics/2000_213_geo26.xml

Correct Answer:
B

Brief Constructed Response (BCR) Item - Released in 2000

A triangle with vertices at (0, 0), (0, 6), and (4, 0) is shown on the grid below.

Complete the following in the answer box below:
  • Draw the dilation image of the triangle using a scale factor of 3 and using (0, 0) as the center of the dilation on the grid provided in the Answer Book.
     
  • What is the difference between a dilation using a scale factor greater than 1 and a dilation using a scale factor between 0 and 1? Use examples to justify your answer.
     

/share/clg/xml/public_release/mathematics/2000_213_geo37.xml

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Brief Constructed Response (BCR) Item - Released in 2003

Figure ABCDEFG  below is to be reflected over line to form figure A'B'C'D'E'F'.

Complete the following in the Answer Book:

  • Draw the reflection of the figure over line .
  • Explain the steps you used to draw the reflection of the figure.
  • Explain the relationship of the distance between line and point D to the distance between line and point D'.

/share/clg/xml/public_release/mathematics/2003_213_geo17.xml

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Selected Response Item - Released in 2003

A fan has 5 congruent blades that are spaced equally as shown below.

What is the measure of the angle of rotation if blade M moves clockwise to the position of blade P ?

  1. 36°
  2. 45°
  3. 60°
  4. 72°
/share/clg/xml/public_release/mathematics/2003_213_geo23.xml

Correct Answer:
D

Selected Response Item - Released in 2003

Which of these transformations can change the area of a polygon?

  1. translation
  2. rotation
  3. reflection
  4. dilation
/share/clg/xml/public_release/mathematics/2003_213_geo32.xml

Correct Answer:
D

Selected Response Item - Released in 2001

A windmill has eight equally-spaced blades that rotate in the clockwise direction.

How many degrees must blade P rotate to reach the location of blade U?

  1. 45°
  2. 135°
  3. 225°
  4. 300°
/share/clg/xml/public_release/mathematics/2001_213_geo12.xml

Correct Answer:
C

Selected Response Item - Released in 2001

A person playing miniature golf hits the ball from point T to point M on the wall. The path of the ball after it bounces off the wall will be the reflection of line TM across the dotted line.

Which point will the ball pass through?

  1. W
  2. X
  3. Y
  4. Z
/share/clg/xml/public_release/mathematics/2001_213_geo18.xml

Correct Answer:
C

Selected Response Item - Released in 2001

A member of the Boating Club created a design with two boats. The two boats in the design are related only by a translation. Which of these could be the design?





/share/clg/xml/public_release/mathematics/2001_213_geo19.xml

Correct Answer:
B

Brief Constructed Response (BCR) Item - Released in 2001

Figure ABCD is shown on the grid below.

Complete the following in the Answer Book:

  • On the grid provided in the Answer Book, reflect ABCD across the y-axis. Label the image A'B'C'D'.
  • Use mathematics to explain how a reflection across the y-axis affects the coordinates of any point (x, y). Use words, symbols, or both in your explanation.
  • On the same grid provided in the Answer Book, translate A'B'C'D' 6 units down. Label the image of this translation A"B"C"D".
  • Use mathematics to explain how a translation 6 units down affects the coordinates of any point (x, y). Use words, symbols, or both in your explanation.

/share/clg/xml/public_release/mathematics/2001_213_geo42.xml

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Selected Response Item - Released in 2002

Many clocks and calculators use digital numbers like the ones shown below. Of the first three numbers, only 1 and 3 will appear the same when reflected about line .

Which of these remaining numbers will also look the same when reflected over line ?

  1. 8 and 9
  2. 6 and 0
  3. 5, 8, and 0
  4. 8 and 0
/share/clg/xml/public_release/mathematics/2002_213_geo02.xml

Correct Answer:
D

Selected Response Item - Released in 2002

A rectangular lot is plotted on a coordinate plane. A flagpole will be moved from its location at the coordinates (1,2) to the left 3 units. What are the new coordinates of the flagpole?

  1. (-2, 2)
  2. (-2, -1)
  3. (1, -1)
  4. (4, 2)
/share/clg/xml/public_release/mathematics/2002_213_geo16.xml

Correct Answer:
A

Brief Constructed Response (BCR) Item - Released in 2002

The plan for a new housing development is shown below. Each lot will have a house, a garage, and a driveway identical in shape to the one shown below. Driveways have already been poured for lots B, C, and D. Each driveway must attach to the garage of each house.

Complete the following in the Answer Book:

  • Sketch the positions of the three new houses and their garages. Use mathematics to describe the transformation or transformations needed to reproduce the houses and garages from lot A to lot B, lot B to lot C, and lot C to lot D.

/share/clg/xml/public_release/mathematics/2002_213_geo20.xml

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Selected Response Item - Released in 2002

A dilation with center P maps the rectangle RSTU to the rectangle R'S'T'U' as shown below.

What is the scale factor of this dilation?

  1. 2
  2. 3
  3. 4
  4. 9
/share/clg/xml/public_release/mathematics/2002_213_geo33.xml

Correct Answer:
B

Selected Response Item - Released in 2005

A translation maps L to L' as shown below. Using the same translation, P is mapped to P'.

What are the coordinates of P'?

  1. (2,1)
  2. (4,11)
  3. (6,3)
  4. (9,9)
/share/clg/xml/public_release/mathematics/2005_213_geo20.xml

Correct Answer:
C

Selected Response Item - Released in 2005

Look at the figure below.

Which of these shows a 270° clockwise rotation of the figure?





/share/clg/xml/public_release/mathematics/2005_213_geo27.xml

Correct Answer:
A

Selected Response Item - Released in 2003

The figure below is to be reflected first over the x-axis and then over the y-axis.

Which of these diagrams represents the resulting figure?





/share/clg/xml/public_release/mathematics/2003_213_geo20.xml

Correct Answer:
D

Selected Response Item - Released in 2004

Triangle PQR is shown below.

What is the image of point Q after a rotation of 90° counterclockwise about the origin?

  1. (0, 5)
  2. (–5, 0)
  3. (0, –5)
  4. (5, 0)
/share/clg/xml/public_release/mathematics/2004_213_geo02.xml

Correct Answer:
A

Selected Response Item - Released in 2004

Triangle PQR is shown below. Triangle PQR will be mapped to its image P'Q'R'. This will be done by increasing each of its x-coordinates by 5.

Which term best describes the transformation?

  1. dilation
  2. reflection
  3. rotation
  4. translation
/share/clg/xml/public_release/mathematics/2004_213_geo09.xml

Correct Answer:
D

Brief Constructed Response (BCR) Item - Released in 2004

Look at figure ABCDE below.

Complete the following in the Answer Book:

  • Draw the reflection of figure ABCDE over line m. Label the corresponding vertices A'B'C'D'E'.
  • What is the relationship between angleABC and angleA'B'C'? Use mathematics to justify your answer.

/share/clg/xml/public_release/mathematics/2004_213_geo17.xml

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Selected Response Item - Released in 2004

Which of these transformations in the coordinate plane can change the area of a geometric figure?

  1. dilation
  2. reflection
  3. rotation
  4. translation
/share/clg/xml/public_release/mathematics/2004_213_geo24.xml

Correct Answer:
A

Resources for 2.1.3:
Skill Statements | PUBLIC RELEASE ITEMS | Lesson Plans |