MA19.4.27

Mathematics (2019) Grade(s): 4

MA19.4.27
Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines, and identify these in two-dimensional figures.

Unpacked Content

Knowledge

Students know:

defining characteristics of geometric figures, such as points, lines, line segments, angles (right, acute, and obtuse), parallel lines, and perpendicular lines.

Skills

Students are able to:

Draw points, lines, line segments, rays, angles (right, acute, obtuse).
Draw parallel and perpendicular lines.
Identify points, lines, line segments, rays, angles, parallel lines, and perpendicular lines in two-dimensional figures.

Understanding

Students understand that:

points, lines, line segments, angles (right, acute, and obtuse), parallel lines, and perpendicular lines are defining characteristics of two dimensional shapes.

Vocabulary

Point
Line
Line segment
Ray
Right angle
Acute angle
Obtuse angle
Perpendicular lines
Parallel lines
Two dimensional figure
Vertex
Angle measure

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