Learn how to use the quadratic formula.
A free CK-12 account is required to view all materials.
This video demonstrates how to take the formula for the area of a triangle and rewrite it in terms of height. [2:29]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Video introducing the concept of even and odd functions by first looking at visual examples and then the formal definitions. Includes link to additional practice at the top of the video. [12:25]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Explains how to solve two different quadratic equations using the completing the square method. [14:06]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
Use square roots to solve quadratic equations.
A free CK-12 account is required to view all materials.
ArtCyclopedia offers a list of notable photographers from the formation of the media to the present--and links to biographies and works.
ArtCyclopedia's list of sculptors begins with the 5th century BCE to the late 20th century. Includes links to the biographies and works.
The perfect site on the Golden Gate Bridge! PBS provides bridge math, great pictures of before, during, and after the construction of the bridge, and a special section called "Balancing Forces," that demonstrates how the "tension" of the design works. Be sure to read "The Men Who Built the Bridge," under People and Events section.
Use this resource to promote an awareness of mathematics as it occurs in nature, science, technology and human culture. This series of articles and podcasts can be used as teaching resources.
Learners examine a table of domain and range for basic functions. The tutorial includes the domain and range of algebraic, trigonometric, inverse trigonometric, hyperbolic, and logarithmic functions.
This video lesson provides a real-world application of function notation. Students can check their understanding with an assessment. [3:11]
Explore how to write function notation using real-world examples. Assess learning with a quiz. [2:58]
Practice finding the areas of complex shapes that are composed of smaller shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
In this lesson students find the quotient of two fractions by multiplying by the reciprocal. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
A free CK-12 account is required to view all materials.
In this lesson students write fractions and mixed numbers as repeating decimals. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
A free CK-12 account is required to view all materials.
This video lesson demonstrates how to turn an arithmetic sequence into a function. Students can check their understanding with an assessment. [8:56]
In this lesson, students learn how to subtract rational numbers. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
A free CK-12 account is required to view all materials.
In this lesson, students explore the concepts of fractions, percentages, and decimals by creating dances using locomotor and non-locomotor movements.
In this lesson, students use their physical bodies to solve multiplication and division problems, using Hula Hoops to help group and enact math problems.
This University of St. Andrews site contains information and accomplishments of the earliest Hindu mathematician, Aryabhata.