CK-12 Foundation
Ck 12: Elem Math: Counting Vertices and Sides in Various Shapes
[Free Registration/Login may be required to access all resource tools.] Students practice counting sides and vertices in various two dimensional shapes.
CK-12 Foundation
Ck 12: Elem Math: Counting Flat Surfaces in Various 3 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to count the number of faces in various three dimensional shapes.
CK-12 Foundation
Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Set of Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying various 2D shapes in a set of figures.
CK-12 Foundation
Ck 12: Elem Math: Identifying Ellipses and Polygons
[Free Registration/Login may be required to access all resource tools.] Students watch a video and then attempt practice problems on identifying ellipses and polygons.
CK-12 Foundation
Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Composite Figure
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting basic two dimensional shapes in a composite figure.
CK-12 Foundation
Ck 12: Elem Math: Unknown Dimensions of Squares and Rectangles (Grade 3)
[Free Registration/Login may be required to access all resource tools.] This learning module features five videos and a set of practice questions in which students learn to compute linear measures, given edge or surface measures of...
Scholastic
Scholastic: Do It Yourself Patchwork Gifts
Students will sharpen their geometry skills when they make these holiday gifts. This site offers hands-on activities with geometry skills interwoven.
Other
About Scotland: Pythagoras: Music and Space
A study on Pythagoras and how he used geometry to explain parts of music, including harmony, proportion, and space.
University of St. Andrews (UK)
University of St. Andrews: Zu Chongzhi
The University of St. Andrews offers a biography of Zu Chongzhi, a Chinese astronomer and mathematician.
Discovery Education
Discovery Education: Web Math: Find Out Things About Circles
This WebMath site will assist with finding the radius, diameter, circumference, and area of a circle.
Annenberg Foundation
Annenberg Learner: Teacher's Lab: Shape and Space in Geometry
Online activities are given to explore space and shape in geometry.
University of St. Andrews (UK)
University of St. Andrews: Rene Descartes
This site from the University of St Andrews gives a factual biography of Rene Descartes. Many interesting links are provided.
That Quiz
That Quiz
ThatQuiz is an excellent assessment tool for teachers and students. At this site, teachers can create individualized or group assessments on a variety of math topics. Students take these practice assessments directly online and receive...
University of Oxford (UK)
The Geometry of War, 1500 1750
Developments in the art of warfare in the late 15th and 16th centuries provided an outlet for geometry as show in this online exhibit.
Scholastic
Scholastic Instructor: Geometric Quilts
Find out how quilting and math go hand in hand when you visit this comprehensive resource. This resource provides a lesson plan for integrating geometry concepts with quilt making.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Geometry
Practice using your graphing calculator for Geometry problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Geometry
Practice using your graphing calculator for geometry problems, including the use of the Pythagorean Theorem and the distance formula. If you get stumped or if you would like to check your work, then select the View Solution button, which...
CK-12 Foundation
Ck 12: Geometry: Arcs in Circles
[Free Registration/Login may be required to access all resource tools.] This concept teaches students properties of arcs and central angles in circles. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rhombuses and Kites
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to calculate the area and perimeter of rhombuses and kites. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Geometry: Circumference
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate the circumference of a circle. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Complementary Angles
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to complementary angles. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
CK-12 Foundation
Ck 12: Geometry: Congruence Statements
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to write congruence statements and use congruence statements to determine the corresponding parts of triangles. Students examine...
CK-12 Foundation
Ck 12: Geometry: Distance Between Parallel Lines
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to find the distance between parallel lines using the distance formula. Students examine guided notes, review guided practice,...
CK-12 Foundation
Ck 12: Geometry: Equilateral Triangles
[Free Registration/Login may be required to access all resource tools.] This concept will teach students the properties of equilateral triangles and how to apply them to solve problems. Students examine guided notes, review guided...