This resource is about factoring linear and quadratic expressions in one variable, evaluating them at a given value of the variable, multiplying factors to find the expanded form of the expression, and solving linear and quadratic equations.
Use this interactive tool to learn how to find the area of a rectangle. Click on "Instructions" for details on how to use this tool. Click on "Explore" for more ideas.
An interactive game to find number of edges, surfaces and vertices of different geometric shapes.
This article discusses how the study of weather can meet the NCTM Data Analysis and Probability standard. Links to lessons for grades K-2 and 3-5 are provided.
Interactive lessons on a range of subjects and grade levels. Each presents content from a public media production, specially tailored to the curricular needs of the classroom. All of these lessons can be used to teach English Language Arts and Literacy skills.
Sal analyzes the rate of change of various exponential models, where the function that models the situation needs some manipulation. [4:21]
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.
Make inferences and recommendations using data, train a computer, and consider ethical implications of machine learning. Time to complete: 3-5 hours
Contains a brief introduction to the cartesian coordinate system.
An introduction to probability through the example of flipping a quarter and rolling a die. [8:18]
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.
Think about what probabilities really mean. What does a probability of 0 mean? How about 1? [8:51]
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.
The simple idea that a number plus its negative is 0. [2:59]
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 will investigate and discuss the familiarity with factors and multiples to gain a deeper understanding. Downloadable printables are included.
Students worked on telling time to the hour and half hour earlier in the year. Now they will apply their understanding of counting by 5s to telling time to the five minute interval.
This site, which is provided for by the University of St Andrews, gives a biography of James Sylvester, mathematician. Links to other interesting sites are provided as well.
This site, which is provided for by the University of St Andrews, contains brief biographical information on Jean Robert Argand. Many interesting links at the bottom of the site.
This page, which is provided by the University of St Andrews, offers a short biography on Johann Heinrich Lambert, a French-German mathematician (1728-1777.) It discusses his life and his contributions to mathematics.
This University of St. Andrews site provides biological information as well as accomplishments of Kemeny.
The University of St. Andrews provides a biography on John von Neumann. Learn about his contributions to game theory and computer science.
This University of St. Andrews site provides biographical information and accomplishments of Dedekind.
A classroom activity provides practice comparing the measurable attributes of objects.