This site teaches Reasoning with Equations and Inequalities to High Schoolers through a series of 5909 questions and interactive activities aligned to 36 Common Core mathematics skills.

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.

This site teaches Structure in Algebraic Expressions to High Schoolers through a series of 3482 questions and interactive activities aligned to 26 Common Core mathematics skills.

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.

Learn how to use exponents and negative numbers, read and write algebraic expressions, solve equations and word problems, and more.

Lessons include: (1) Order of Operations. Learn how to use the order of operations to solve algebraic equations. (2) Exponents. Learn all about exponents, which are numbers that have been multiplied by themselves. (3) Negative Numbers. Learn all about negative numbers, which are any number less than zero. (4) Reciprocals and Inverse Numbers. Learn about reciprocal and inverse numbers and how they work.

Sal introduces the concept of "range" of a function and gives examples for functions and their ranges. [6:38]

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.

Download these worksheets to sharpen your algebraic skills. Sheets focus on missing numbers, translating, simplifying and evaluating algebraic phrases, rewriting formulas, solving linear equations, systems of linear equations and inverse relationships.

Linear equations can be solved and graphed using this interactive site. This site allows the user to enter any linear equation in standard form and the y-intercept will be found through a step-by-step process. Systems of inequalities can also be explored here. Related sections of the site, accessed through tabs along the top, provide many practice problems, lessons, videos, and in-depth explanations of concepts.

A single slide that defines the term algorithm and then lists the steps to bake a cake as an example

This site contains the history of the amendment, an action update, strategy, supporters, and more.

This Bibliomania website features the full text of Lewis Carroll's famous children's book, "Alice's Adventures in Wonderland." A summary note explains the context of the novel and introducing its characters and major plot elements.

This timeline provides links to the texts of the Alien and Sedition Acts, and the Kentucky and Virginia Resolutions that protested them.

The Alien and Sedition Acts were passed by Congress in 1798 because of feared war with France. This engaging page gives you the opportunity to see a complete copy of the original document and also gives links to a typed transcript, larger images, and a downloadable .PDF file.

In this game activity students practice comparing shapes and naming something that is alike or different about them.

This lesson plan (for students age 4 and up) from the Crayola website, incorporates phonics, adjectives, and visual arts. Students make "Rubbings," with crayons while discovering adjectives that begin with the same letter. Provides adaptations and ideas for books to accompany this lesson.

Studied students stupefy! Students learn about alliteration by listening to an alliterative read-aloud and apply the knowledge they gain to the creation of their own poem and illustration.

Matching, concentration and flash cards to help with understanding antonyms. Word search is also an option, but doesn't appear to connect with antonyms. Words appropriate to upper elementary.

Atlatls are spear-throwing devices that were used all around the world before bows and arrows were invented. Experimental archaeologist Mark Kollecker shows us how to spear a cardboard deer with this ancient tool. Worksheet available for grades 3-6.

Visit this site to find out what covalent compounds are, how covalent bonding is different from ionic bonding, how the properties of covalent compounds differ from ionic compounds, and how to name covalent compounds. There is also a link to some practice problems on naming covalent compounds.

In this informational text, elementary school readers learn about the difference between weather and climate and about components of the climate system. The text can be used to practice visualizing and other comprehension strategies. Available in K-2 and 3-5 grade bands and as an illustrated book as well as a text document, the story appears in the online magazine Beyond Weather and the Water Cycle.