A good site explaining surface area. Scroll down the page for quick references to surface area formulas for fundamental geometric objects. The site has links to related topics.
This page provides a good explanation of unions of sets in mathematics. It discusses the union of disjoint sets and the probabilities of unions, incorporating probabilities of the two independent sets and their intersection. Discusses the properties of unions and provides links to related information.
The site contains information on infinite series. Includes formulas and links to related topics.
Find engaging media and integrated activities, all aligned with the Common Core State Standards in Mathematics. Designed using a culturally and historically responsive approach to engage diverse middle school students through grounding in the real world and connection to relevant issues. This Collection includes: Document (19), Interactive (269), Video (437), Interactive Lesson (77), Media Gallery (29), Image (16) for Grades All , Resources in Spanish (22)
This site contains activities that will help students learn concepts dealing with expressions, equations, and the coordinate plane.
An excellent place to test your ability to recognize the graphs of sine and cosine and their various associated forms. A Java applet is also included to plot your own function.
This lesson explains how to add and subtract matrices when it is possible to do so, noting matrix addition is commutative and associative. [2:59]
Too Tall Tina is a book about a student who is obsessed with being too tall. It shows examples of many measurement comparisons.
Fish Eyes is a math story, but it is not focused on length. I use this book to have the students compare the length of the different fish in the story.
Students will become more comfortable making sense of equations presented in missing answer (traditional) and missing number ( nontraditional) formats.
Find creative and innovative way designed to help students grasp hard STEAM concepts with these songs and videos made by Mister C.
Practice dividing multi-digit whole numbers. These problems use remainders. 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.
Demonstrates how to use fraction drawings to visualize what happens when two fractions are multiplied. [4:57]
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.
Sal multiplies a monomial by a polynomial. [2:43]
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.
Students will use their understanding of multiplying fractions and apply it to dividing fractions which is a key component in common core. Included in this lesson are a closing activity, a link to a website for area models, and a video explanation of an activity.
Contains an example of graphing a piecewise function in a Texas Instruments calculator.
This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills are appropriate for students in grades th3-5. Additional features include links to related history, lesson plans, and articles on pearls. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and masses of objects using standard units
Several lesson plans available for grades K-8 that take a look at math and art. Each lesson includes printable resources, glossary of terms, an artist biography, and national math and visual arts standards.
Explore the sounds of nature and how they connect with music. Investigates what purpose music serves through nature and what it means.
Use this fun example to compose 10 from numbers within 10. Agent Oscar shows agents how to combine gadgets to form the gadget they need.