Download 4geometrya - Logan Elm Schools

Grade 4
Geometry Answers
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Question 31
Liu is separating the figures below into groups according to their properties. There are
at least three figures in each group. So far, he has made two different groups.
a. List at least 3 figures that could go into each group. Explain what all the figures in
each group have in common.
b. Would figure 12 shown below belong to one of the groups above? Explain why or
why not.
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Scoring Guide
Score
Description
4
The student demonstrates a thorough understanding of geometric figures by
classifying various shapes according to their geometric properties and justifying
their reasoning.
3
The student demonstrates a general understanding of geometric figures by
classifying various shapes according to their geometric properties and justifying
their reasoning.
2
The student demonstrates a basic understanding of geometric figures by
classifying various shapes according to their geometric properties.
1
The student demonstrates a minimal understanding of geometric figures by
classifying various shapes according to their geometric properties.
0
The response is incorrect or contains some correct work that is irrelevant to the
skill or concept being measured.
Blank No Response.
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2002 MCAS
Grade 4 Mathematics
Question # 31 - Score Point 4
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Open Response Question 10
Use the alphabet shown below to answer question 10.
ABCDEFGHIJKLMNOPQRSTUVWXYZ
a. In your Student Answer Book, copy THREE letters above that have ONLY ONE
line of symmetry. Draw a dotted line to show the line of symmetry for each letter.
b. Copy THREE letters that are NOT symmetrical.
c. Copy ONE letter that has at least TWO lines of symmetry. Draw dotted lines to
show the lines of symmetry.
Scoring Guide
Score
Description
4
The student demonstrates a thorough understanding of symmetry by correctly
completing all components and providing examples and counterexamples.
3
The student demonstrates a general understanding by correctly completing most
components and providing examples or counterexamples.
2
The student demonstrates a partial understanding by correctly completing some
components.
1
The student's response show minimal understanding of symmetry.
0
The response is incorrect or contains some correct work that is irrelevant to the
skill or concept being measured.
Blank There is no response.
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Answer: G, X weighs less than Z.
Answer: Drawing A.
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Answer: Diagram J is correct.
Answer: Shape J is the only one with ONE pair of parallel lines.
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Part A: The square will encompass 5 blocks on each side.
Part B: The ordered pairs are (2, 7) and (7, 7)
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ANSWER: C
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ANSWER: A
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ANSWER: A
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