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Grade Level: _______________
Third
Math
Subject Area/Course Title: _________________________
Identified Standards and Benchmarks:
3.GM.1 Reason with shapes and their attributes
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Show-Me Standards: CS: __________________________ PS: __________________________
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I can describe, analyze, and compare
properties of two-dimensional
shapes.
I can draw examples of shapes that
are not quadrilaterals.
3
Total Number of Weeks: ____
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Identify and describe attributes of plane shapes. Describe angles in plane
shapes. Identify polygons by the number of sides they have. Determine if
lines or line segments are intersecting, perpendicular, or parallel. Draw
quadrilaterals.
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closed shape
endpoint
angle
line segment
right angle
line
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open shape
plane shape
vertex
Both real and the man-made world are designed using geometric figures.
Objects can be described and compared using their geometric attributes.
point
hexagon
octagon
two-dimensional shape
decagon
perpendicular lines
ray
rectangle
square
rhombus
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parallel lines trapezoid
What are some ways to describe two-dimensional shapes? How can you
describe angles in plane shapes? How can you use line segments and
angles to make polygons? How can you describe line segments that are
sides of polygons?
pentagon
polygon
triangle
quadrilateral
intersecting lines
Venn diagram
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I can name and draw shapes.
I can find the area of a rectangle.
I can divide shapes into equal parts.
I can use fractions to describe the equal parts of a shape.
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Chapter 12
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Understand that shapes in different categories(rhombuses, rectangles, and
others) may share attributes (having four sides) and that the shared
attributes can define a larger category (quadrilaterals).
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Math on the Spot Videos
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Animated Math Models 55, 57, 58,
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Personal Math Trainer
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Personal Math Trainer
Chapter 12 Resource Book
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