Alabama Learning Exchange
Alex: Geometric Man
The learners will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book Shape Up! Fun With Triangles and Other Polygons by David A. Adler. They will also...
BBC
Bbc: Bitesize: Maths: 2 D Shapes
Learn about the properties of 2-D shapes: circles, triangles, polygons, and quadrilaterals. Includes information, video, and examples about each, with games and quizzes for reinforcement.
CK-12 Foundation
Ck 12: Geometry: Quadrilateral Classification
[Free Registration/Login may be required to access all resource tools.] Recognize and classify quadrilaterals
CK-12 Foundation
Ck 12: Geometry: Parallelogram Classification
[Free Registration/Login may be required to access all resource tools.] Classify a parallelograms as a rhombus, rectangle, or square.
CK-12 Foundation
Ck 12: Geometry: Quadrilateral Classification
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to classify quadrilaterals in the coordinate plane.
CK-12 Foundation
Ck 12: Geometry: Quadrilateral Classification
[Free Registration/Login may be required to access all resource tools.] Recognize and classify quadrilaterals
Alabama Learning Exchange
Alex: What Do We Have in Common?
This inquiry lesson explores the definitions of quadrilaterals and the properties of the diagonals of quadrilaterals to classify quadrilaterals. Students will work cooperatively to justify conclusions. This lesson plan was created by...
Alabama Learning Exchange
Alex: It's in the Bag
This lesson is a unique and fun way to review perimeter, angles, and types of adjectives. Students pick an object from the classroom that will fit in a paper lunch bag. They investigate their object and fill in the attached sheet. You...
ClassFlow
Class Flow: Quadrilaterals
[Free Registration/Login Required] This flipchart introduces students to quadrilaterals and how to classify them.
Alabama Learning Exchange
Alex: Quadrilaterals
This is an inquiry lesson plan used to review Algebra 1 objectives by applying them to geometry concepts. Students explore the properties of quadrilaterals and classify them by definition. This lesson plan can be use in geometry classes....
CK-12 Foundation
Ck 12: Elem Math: Determining the Length of an Unknown Side of a Triangle
[Free Registration/Login may be required to access all resource tools.] Students watch a video tutorial and attempt practice problems on how to determine the unknown side length of a triangle.
Khan Academy
Khan Academy: Recognizing Triangle Types
In this exercise, students practice recognizing triangle types. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
NumberNut
Number Nut: Shapes, Symbols and Colors: Two Dimensional Shapes
Describes, with illustrations, the basic two-dimensional shapes students will encounter in elementary Math.