Classify 2-Dimensional Figures
4th Grade
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Alabama Course of Study Standards:
27
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Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines, and
identify these in two-dimensional figures. |
Arkansas Academic Standards:
4.G.A.1
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- Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines
- Identify these in two-dimensional figures
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Common Core State Standards:
Math.4.G.1 or 4.G.A.1
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Draw points, lines, line segments, rays, angles (right, acute, obtuse),
and perpendicular and parallel lines. Identify these in two-dimensional
figures. |
Georgia Standards of Excellence (GSE):
4.GSR.8.1
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Explore, investigate, and draw points, lines, line segments, rays, angles (right, acute, obtuse), perpendicular lines, parallel lines, and lines of symmetry. Identify these in twodimensional figures. |
North Carolina - Standard Course of Study:
4.G.1
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Draw and identify points, lines, line segments, rays, angles, and perpendicular and parallel lines. |
Tennessee Academic Standards:
4.G.A.1
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Draw points, lines, line segments, rays, angles (right, acute, obtuse, straight, reflex), and perpendicular and parallel lines. Identify these in two-dimensional
figures. |
Alabama Course of Study Standards:
28
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Identify two-dimensional figures based on the presence or absence of parallel or perpendicular lines or the presence
or absence of angles of a specified size.- Describe right triangles as a category, and identify right triangles.
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Arkansas Academic Standards:
4.G.A.2
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- Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size
- Recognize right triangles as a category and identify right triangles
Note: Trapezoids will be defined to be a quadrilateral with at least one pair of opposite sides parallel, therefore all parallelograms are trapezoids.
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Arizona - K-12 Academic Standards:
4.G.A.2
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Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size (e.g., understand right triangles as a category, and identify right triangles). |
California Common Core State Standards:
4.G.2
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Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles. (Two-dimensional shapes should include special triangles, e.g., equilateral, isosceles, scalene, and special quadrilaterals, e.g., rhombus, square, rectangle, parallelogram, trapezoid.) |
Common Core State Standards:
Math.4.G.2 or 4.G.A.2
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Classify two-dimensional figures based on the presence or absence of
parallel or perpendicular lines, or the presence or absence of angles of
a specified size. Recognize right triangles as a category, and identify
right triangles. |
Georgia Standards of Excellence (GSE):
4.GSR.8.2
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Classify, compare, and contrast polygons based on lines of symmetry, the presence or absence of parallel or perpendicular line segments, or the presence or absence of angles of a specified size and based on side lengths. |
North Carolina - Standard Course of Study:
4.G.2
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Classify quadrilaterals and triangles based on angle measure, side lengths, and the presence or absence of parallel or perpendicular lines. |
New York State Next Generation Learning Standards:
4.G.2
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- Identify and name triangles based on angle size (right, obtuse, acute).
- Identify and name all quadrilaterals with 2 pairs of parallel sides as parallelograms.
- Identify and name all quadrilaterals with four right angles as rectangles.
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Ohio's Learning Standards:
4.G.2
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Classify two-dimensional figures based on the presence or
absence of parallel or perpendicular lines or the presence or absence of angles of a specified size. |
Tennessee Academic Standards:
4.G.A.2
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Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines or the presence or absence of angles of a specified size. Recognize right triangles as a category and identify right triangles. |
Pennsylvania Core Standards:
CC.2.3.4.A.1
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Draw lines and angles and identify these in two-dimensional figures |
Pennsylvania Core Standards:
M04.C-G.1.1.1
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Draw points, lines, line segments, rays, angles (right, acute, and obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. |
Pennsylvania Core Standards:
C.2.3.4.A.2
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Classify two-dimensional figures by properties of their lines and angles |
Pennsylvania Core Standards:
M04.C-G.1.1.2
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Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles. |
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4th Grade Math - Classify 2-Dimensional Figures Lesson
