This is the vocabulary my students needed (but were missing) to describe the differences between quadrilaterals. The quadrilateral cut and paste activity really required students to wrestle with the definitions. The activity supports CCSS.Math.3.G.A.1 Understand that shapes in different categories may share attributes, and that the shared attributes can define a larger category. Recognize rhombuses, rectangles, and squares as examples of quadrilaterals.
IKEA - IKEA PS 2017, Shelving unit, The shelving unit has a clean and simple look which means that you can combine it with many different styles.A small edge on the backside keeps your things from falling behind the shelving unit.3 fixed shelves provide increased stability.