Curated OER
Quadrilaterals
In this quadrilaterals learning exercise, 10th graders solve and complete 10 different problems that include various types of quadrilaterals to identify. First, they find the value for each variable in the illustrated quadrilateral....
CK-12 Foundation
Ck 12: Elem Math: Identifying the Properties of Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video tutorial and attempt practice problems on identifying the properties of rectangles.