Classifying Two-Dimensional Shapes

Front

What is a triangle?

Back

A triangle is a 2D shape with 3 sides and 3 angles.

Front

How many sides does a square have?

Back

A square has 4 sides.

Front

What is a square?

Back

A square is a 2D shape that has 4 equal sides and 4 right angles.

Front

What is a right angle?

Back

A right angle is an angle that measures 90 degrees.

Front

How many angles does a triangle have?

Back

A triangle has 3 angles.

Front

What is a pentagon?

Back

A pentagon is a 2D shape with 5 sides.

Front

What is the common attribute of shapes B, C, D, and E?

Back

They each have at least 1 right angle.

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Front

What is a rectangle?

Back

A rectangle is a 2D shape with 4 sides and opposite sides that are equal in length.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is 180 degrees.