Quadrilaterals are shapes with four sides and four angles. The sides can be equal or different lengths. There are several types of quadrilaterals, including squares, rectangles, parallelograms, rhombuses, and trapezoids.
Quadrilaterals: Four-Sided Shapes
Square: A quadrilateral with four equal sides and four right angles. Rectangle: A four-sided shape with two pairs of parallel and equal-length sides, and four right angles. Parallelogram: A four-sided shape with two pairs of parallel sides and four angles varying in size.
What is your favorite type of quadrilateral?
The word 'quadrilateral' comes from Latin words that mean 'four sides'. The square is the only quadrilateral with all its interior angles equal. The Pentagon in Washington D.C. is the largest regular pentagon in the world.
Draw / write: What is the definition of a quadrilateral?
Draw / write: What are some common characteristics of a quadrilateral?
What have you learned so far about quadrilaterals?
How can you apply what you know about quadrilaterals to other shapes?