Lines and Rays
What type of line has two endpoints and stops on both ends?
Answer: A line segment.
What angle is exactly 90 degrees?
Answer: A right angle.
How many sides does a triangle have?
Answer: Three sides.
Do parallel lines ever cross?
Answer: No. Parallel lines never meet.
What type of line goes on forever in one direction and has one endpoint?
Answer: A ray.
Is a 30 degree angle acute or obtuse?
Answer: Acute.
How many sides does a hexagon have?
Answer: Six sides.
At what angle do perpendicular lines cross?
Answer: 90 degrees — a right angle.
What type of line goes on forever in both directions with no endpoints?
Answer: A line.
Is a 145 degree angle acute or obtuse?
Answer: Obtuse.
What is a polygon?
Answer: A closed shape made of straight lines.
Name a real life example of parallel lines.
Answer: Any correct answer such as railroad tracks, lanes on a road, or the lines on lined paper.
How many endpoints does a ray have compared to a line segment?
Answer: A ray has one endpoint. A line segment has two.
Name a real life example of a right angle.
Answer: Any correct answer such as the corner of a book, a door frame, or the corner of a piece of paper.
Name the quadrilateral that has four equal sides and four right angles.
Answer: A square.
Name a real life example of perpendicular lines.
Answer: Any correct answer such as a plus sign, a cross street, or the corner of a room.
Describe the difference between a line, a line segment, and a ray in your own words.
Answer: A line goes on forever both ways with no endpoints. A line segment stops on both ends with two endpoints. A ray has one endpoint and goes on forever in one direction.
Put these angles in order from smallest to largest: obtuse, right, acute.
Answer: Acute, right, obtuse.
Name all the shapes we learned that are quadrilaterals.
Answer: Any correct answers including square, rectangle, rhombus, trapezoid, and parallelogram.
What is the difference between parallel and perpendicular lines?
Answer: Parallel lines never meet and stay the same distance apart. Perpendicular lines cross each other at a right angle.