Quadrilaterals
Vocabulary
Triangles
Lines
What's that Shape?
100

I have four sides and exactly two pairs of parallel sides.

What is a parallelogram?

100

A polygon that has three sides.

What is a triangle?

100

A triangle that has three sides of the same length.

What is an equilateral triangle?

100

A geometric element that is pictured as a small dot.

What is a point?

100

I have as many sides and angles as an octopus.  What am I?

What is an octagon?

200

I have four sides and only one pair of parallel sides.

What is a trapezoid?

200

A polygon that has four sides and the sum of it's angles is 360 degrees.

What is a quadrilateral?

200

A triangle that has three sides of different lengths.

What is a scalene triangle?

200

A straight one-dimensional figure that extends indefinitely in both directions.

What is a line?

200

I have more sides than a pentagon, but less than a heptagon.  What am I?

What is a hexagon?

300

I have four sides, two pairs of parallel sides, and four right angles.  I have 2 long sides and 2 short sides.

What is a rectangle?

300

A closed figure with at least three sides and angles.

What is a polygon?

300

A triangle with two sides of the same length.

What is an isosceles triangle?

300

A line with an endpoint that extends indefinitely in one direction.

What is a ray?

300

I have 5 sides and 5 angles, and sometimes look like a house.  What am I?

What is a pentagon?

400

I have four sides, two pairs of parallel sides, and four sides of equal length, but no right angles.

What is a rhombus?

400

Lines that will never intersect are called ____________________.

What are parallel lines?

400

A triangle that has an angle that measures 90 degrees.

What is a right triangle?

400

A part of a line with two endpoints.

What is a line segment?

400

True or False:  A circle is a polygon.

What is false (it has a curve)?

500

I have four sides, two pairs of parallel sides, four right angles, and four sides of equal length.

What is a square?

500

Lines that intersect at a right angles (90 degrees) are called ____________________.

What are perpendicular lines?

500

True or False:  A triangle can have perpendicular lines.

What is true (in a right triangle)?

500

Two lines that remain the same distance apart at any given point and will never intersect.

What are parallel lines?

500

Give an example of a polygon in real life and what type of polygon it is.  

For example, a stop sign is an octagon.

Answers vary.