Quadrilaterals
Triangles
Polygons
Vocabulary
Shape Names
100

I am a four-sided figure made with right angles.

square

100

Does a square have right angles?

Yes

100

Is a square a polygon?

Yes, because it is a 2D shape with straight sides.

100

An angle that is not straight up and down. It is less than a right angle or less than 90 degrees.

acute angle.

100

I am the same shape as a clock.

circle

200

I have four sides and my opposite sides are equal length.

rectangle

200

How many sides does a triangle have?

3

200

Is a circle a polygon?

No, because it does not have straight sides.

200

What does parallel mean?

A set of lines that can go on and on forever and not meet or cross.

200

I am the same shape as a book.

rectangle

300

Are all quadrilaterals called parallelograms too?

No, only if they have opposite sides parallel.

300

How many angles does a triangle have?

3

300

Name two shapes that are quadrilaterals.

square, rectangle, parallelogram, rhombus, or trapezoid.

300

What is a parallelogram?

A quadrilateral with opposite sides that are parallel.

300

What is another name for a square.

quadrilateral

400

What does quad mean?

4

400

Is a triangle a polygon?

yes

400

What is one way a square and rhombus are the same?

They both have 4 sides and 4 angles. (Both quadrilaterals)

400

Name a 2D shape.

triangle, square, rectangle, circle, parallelogram

400

If you cut a square in half from one corner to the other how many triangles will you make?

 2 triangles

500

Name a quadrilateral shape that is not a square or rectangle.

trapezoid and parallelogram

500

Is a triangle a quadrilateral?

No, because it only has three sides.

500

What is a one way a rhombus and a square are different?

A square is made with right angles and a rhombus is not.

500

What does quadrilateral mean? Give an example.

It is a four-sided figure. Ex: square, rectangle, parallelogram, trapezoid, rhombus.

500

What does the D in 2D stand for?

dimensional