Clarifications
Clarification 1: Instruction includes mathematical and real-world context for identifying points, lines, line segments, rays, intersecting lines, perpendicular lines and parallel lines.Clarification 2: When working with perpendicular lines, right angles can be called square angles or square corners.
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Formative Assessments
Lesson Plans
Original Student Tutorials
Teaching Idea
Tutorials
MFAS Formative Assessments
Students are asked to draw parallel lines, perpendicular lines, a point, and a line segment. Students also explain how a line segment is different from a ray or line.
Students locate points, lines, line segments, and rays in a given diagram.
Students are asked to identify parallel and perpendicular sides and explain how they know.
Original Student Tutorials Mathematics - Grades K-5
Help a surfing crab learn how to find parallel and perpendicular sides in a variety of polygons as you complete this interactive tutorial!
Identify parallel lines and line segments, as well as perpendicular lines and line segments in two-dimensional figures by joining Parallel Man and Perpendicular Man as they help Mayor Mathematics save Mathopolis in this interactive tutorial.
Student Resources
Original Student Tutorials
Help a surfing crab learn how to find parallel and perpendicular sides in a variety of polygons as you complete this interactive tutorial!
Type: Original Student Tutorial
Identify parallel lines and line segments, as well as perpendicular lines and line segments in two-dimensional figures by joining Parallel Man and Perpendicular Man as they help Mayor Mathematics save Mathopolis in this interactive tutorial.
Type: Original Student Tutorial
Tutorials
This Khan Academy tutorial video defines and illustrates parallel and perpendicular lines.
Type: Tutorial
This video discusses the differences between lines, line segments and rays.
Type: Tutorial