Classifying Quadrilaterals

What is a quadrilateral?

• A circle with four equal sides

• A line with four points

• A polygon with four sides and four angles

• A triangle with three sides and three angles

How many sides does a quadrilateral have?

• 4

• 3

• 6

• 5

What is a square?

• a triangle like figure

• A quadrilateral with 4 equal sides and 4 right angles

• a shape with no more than 2 angles

• a round shape with no angles or points.

What is a rectangle?

• a quadrilateral with no parallel sides

• a quadrilateral with 4 right angles and 2 sets of opposite sides lengths that are equal

• a quadrilateral with 4 right angles and 4 equal side lengths

• a figure containing no angles or sides

Name four types of quadrilaterals.

• Circle, oval, triangle, square

• Parallelogram, rectangle, trapezoid, square

• Square, pentagon, parallelogram, octagon

• Pentagon, hexagon, heptagon, octagon

How are rectangles and squares similar?

• They both have three sides and three right angles.

• Rectangles have five sides and squares have six sides.

• They both have four sides and four right angles.

• Rectangles have curved sides and squares have straight sides.

How are rectangles and squares different?

• Rectangles have 4 equal sides, squares do not.

• Squares have 4 sides equal to each other, rectangles have 3.

• Squares have 4 right angles, rectangles do not.

• Squares have 4 sides equal to each other while rectangles only require opposite sides to be equal to each other, not all 4.

What is a trapezoid?

• A triangle with all equal sides

• a circle that is completely closed

• A quadrilateral with no sets of parallel sides

• A quadrilateral with at least one pair of parallel sides

What is a parallelogram?

• A quadrilateral where all sides are of different lengths

• A quadrilateral with 2 sets of parallel sides

• A triangle with a pair of parallel sides

• a triangle with 3 equal sides

True or False: A rectangle is a square.

• True

• False