Download Geometry KEY - Shelton School District

Third Grade Assessment - Geometry
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ANSWER KEY
3.G.1 Reason with shapes and their attributes
1) Which line segments form right angles?
A
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B
C
2) In the shapes and figures below, color each pair of parallel lines a different color.
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4
3
2
1
for
for
for
for
all and not coloring the pentagon
4 pairs correctly identified
2-3 pairs correctly identified
1 pair correctly identified
4) List 3 attributes of a rectangle.
4 right angles, 4 sides, 2 pairs of parallel sides, opposite sides are equal
Polygon and quadrilateral are not considered attributes
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5) What is one attribute all of the shapes share?
a) All of the shapes have one pair of parallel sides.
b) All of the shapes have 2 pairs of parallel sides.
c) All of the shapes have four right angles.
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6) Look at the list of geometric attributes.
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Closed figure
Four sides
Four equal sides
2 pairs of parallel and congruent sides
Which shapes fit all of the above attributes?
a)
b)
c)
d)
trapezoid and square
rectangle and rhombus
square and rhombus
parallelogram and square
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5
4
3
2
1
for
for
for
for
for
all 9 and not using the kite
all 9
7-8/9
5-6/9
1-4/9
7) Classify the following shapes. Write the name of the shape in the appropriate category.
4 equal sides
4 right angles
square
square
rhombus
rectangle
1 pair of parallel sides
trapezoid
2 pairs of parallel sides
square
rectangle
rhombus
parallelogram