MA19.4.28
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.
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.
UP:MA19.4.28
Vocabulary
- Two-dimensional figure
- Parallel lines
- Perpendicular lines
- Angle
- Right triangle
Knowledge
Students know:
- Two lines are parallel if they never intersect and are an equal distance apart.
- Two lines are perpendicular if they are at right angles to each other.
- A right triangle is a triangle that has one right angle.
Skills
Students are able to:
- Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines.
- Classify two-dimensional figures based on the presence or absence of angles of a specified size.
- Identify right triangles.
Understanding
Students understand that:
- shapes are categorized based on attributes they possess in common such as angle size, side length, side relationships (parallel and perpendicular).
