3rd Grade Math - Quadrilaterals Lesson
A quadrilateral is a 4-sided figure.
Trapezoid - a quadrilateral with 1 set of parallel sides *
Parallelogram - a quadrilateral with 2 sets of parallel sides
Rectangle - a parallelogram with 4 right angles
Square - a rectangle with 4 equal sides
Rhombus - a parallelogram with 4 equal sides
- a rhombus with 4 right angles is a square
*Please be advised the PARCC assessment uses the inclusive definition of a trapezoid.
PARCC Mathematics Grade 3 EOY evidence statement table [page 7]