Part 2 of a series of interactive exercises concerning word roots and vocabulary skills. Site initially explains vocabulary and word roots, then allows students to complete interactive exercises.

Simple word problems challenge your subtraction skills. If you get stuck, use the clues and the number line for help.

Provides theorems and examples relating to the sine and cosine of complementary angles.

This website is an excellent resource for teaching with primary sources. This resource features Holocaust lessons, lesson plan strategies, and podcasts.

Practice solving questions about the probabilities of compound events. Includes hints.

Find the distance between points, graph points, and interpret data on coordinate planes to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice dividing a whole number by a unit fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice computing the areas of rectangles that have fractional side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This lesson offers suggestions to help you fix short, choppy sentences, combine sentences with the same subject, and revise sentences that sound the same. L.11-12.3 Language Functions/Style

Learn how to analyze and compare the relationship between a primary and a secondary source.

Learn how to think critically by distinguishing between facts, opinions, and reasoned judgments. Practice exercise included.

In this activity, students will examine the ways in which a magazine cover's headlines and graphics express the main ideas of its articles. They will then use an interactive tool to create covers that summarize chapters of informational...

[Free Registration/Login may be required to access all resource tools.] The video walks through solving addition problems to determine which problem is the correct addition sentence for the given sum. The video is followed by additional...

[Free Registration/Login may be required to access all resource tools.] This lesson covers solving quadratic equations when the answers are complex numbers. Students examine guided notes, review guided practice and attempt practice...

[Free Registration/Login may be required to access all resource tools.] Here you will learn how to convert complex numbers from rectangular form to polar form. You will also explore the graphs of complex numbers on a polar graph.

This article from Re:Fiction magazine offers tips on different ways to end a piece of narrative writing.

Through this tutorial, you'll learn strategies and definitions that will help you solve linear equations. Example problems with step-by-step solutions and practice exercises with answers and explanations make this resource perfect for...

Two systems of equations are equivalent if they have the same solution(s). This article reviews how to tell if two systems are equivalent. Examples are provided.

[Free Registration/Login may be required to access all resource tools.] In this lesson students prove two triangles are congruent with the Angle-Side-Angle and Angle-Angle-Side shortcuts. Students examine guided notes, review guided...

[Free Registration/Login may be required to access all resource tools.] Looks at how to apply the Intersecting Chords Theorem.

Modeling traffic data is important for urban planning, creating transportation systems, and even predicting how much foot traffic a retail store can expect in a given day. This genre of dynamic data science activities could be classified...

Working with large datasets that support exploration of patterns is an essential first step in becoming fluent with data. In this dynamic data science activity, students can access part of the U.S. Census Bureau's American Community...

Students act as astronomers, studying stars in a patch of sky in our own galaxy. Using simulated data from spectroscopy and other real-world instrumentation, students learn to determine star positions, radial velocity, proper motion, and...

Blossom and Snappy continue to try to earn money for a present for Robbie's birthday by having a bake sale. They go back to the bank and learn about checking accounts and loans.