Investigating

Quadrilaterals By: Abbie Kelly, Anna Smith, Branigan Cartee Common Core:

3.G.1. Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories. Standards How can we identify quadrilaterals

according to their characteristics? Essential Question Quadrilaterals are four sided shapes. The most common include squares and rectangles, but there are many others as well.

Includes all parallelograms, rectangles, and rhombi. Quadrilaterals A figure that has 4 sides and 4 angles.

Opposite angles are equal

Rule:

Must have 2 pairs of parallel sides. Parallelogram Square and the Missing Quadrilaterals

by Stephen Wentz http://www.bookemon.com/read-book/97264 Rhombus Must have 4 equal sides, meaning the same length.

Opposite angles are the same. has 4 sides and 4 angles

opposite sides are parallel

has 4 right angles. Rectangle Square Carefully listen for instructions. GeoBoards *Squares are rectangles, and rhombuses!

they have 4 equal sides

all 4 angles are right angles. Can YOU

spot any quadrilaterals

around the room? Kites

2 pairs of equal sides

Trapezoid

1 pair of parallel sides Kites and Trapezoids

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