Now there are parentheses in these equations? As the lessons continue in this series, equations get progressively more complex. Eighth graders solve equations by applying the distributive property before using inverse operations. 

Create the ultimate miniature golf course. The 93-page model curriculum unit from the Massachusetts Department of Elementary and Secondary Education contains nine lessons on understanding similarity in terms of both Euclidean geometry...

Have you ever wanted to know the true structure of E.coli? Does the thought of peering into its "small world" sound exciting? Here is a lesson that allows pupils the ability to do just that. Blossoming microbiologists use...

Population density, it is not all that it is plotted to be. Pupils analyze a scatter plot of population versus area for some of the states in the US. The class members respond to eight questions about the graph, specific points and...

How many hot dogs does Fenway Park go through in a year? Learners estimate answers to this question and more as they work through the task. Problems require participants to make assumptions and use those assumptions to make estimations.

America has a long history of presidents with an affinity for the truth, from Honest Abe to George Washington and his cherry tree. A short passage features Washington's infamous hatchet and confession, and includes four comprehension...

True friendship is priceless. Fourth graders read a short story about two friends who are willing to give up everything for each other — even their lives.

Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...

Terror, mystery, excitement. American writers of the 19th century, including Nathaniel Hawthorne, Herman Melville, and Emily Dickinson, used these elements to create morally ambiguous tales that challenged the prevailing belief in...

Water is a powerful force; harness it through watermills. The task at hand is to create a simple watermill that functions in flowing water for at least three minutes. Scholars work together in teams to design and construct such a...

Can you determine how far down a rock drops without visual clues? Viewers observe a clip from a movie testing vertical distance only based on sound. They must determine if it is safe to drop down themselves or if it is farther than their...

So you've signed up to work as a substitute teacher, While you're waiting for that call, download or bookmark a substitute teacher guide that has everything you need to prepare you for any classroom, for any grade, for any subject....

Abraham Lincoln was one of the greatest presidents ever ... right? Scholars research the accomplishments and struggles of the Lincoln presidency. They uncover facts, materials and information via video clips, primary, and secondary...

A study guide for Native Gardens, a dramatic play, introduces theater lovers to a set of a neighbors and the problems they face. Discussion questions in the guide tackle themes of racism, ageism, and classism.

A virtual tour of Amsterdam's Anne Frank House permits viewers to not only visit the Secret Annex but to also view photos and videos, examine a timeline of events, and learn about the fate of Anne Frank and her family.

No one is too young to create a masterpiece. Elementary artists delve into the topic of social justice with original artwork. Scholars keep journals to reflect on their experiences before putting paintbrush to paper. Final artwork is...

Students review opinions of the Stamp Act as stated in colonial newspaper articles of the 1760's. They compare colonial newspapers to those of today. They take a side regarding the Tax Act and write a note to a friend explaining their...

Second graders read about and discuss natural features of communities. They listen to a guest speaker, such as a park ranger to expand their knowledge of natural features. They go on a field trip, if possible, to a local zoo or...

Sixth graders investigate the nutritional value of different types of cereal. They take a survey of students that ate breakfast and create a circle graph with the results. Students examine the nutritional information on the sides of the...

In this algebra lesson, students solve radical equations by taking the square root of each side of the equation. There are 26 problems on this worksheet with an answer key.

Students analyze the main themes of President Bush's UN Speech and discussion of the NewsHour report on the Iraq Debate. In this debate lesson, students answer pre-listening questions and view a transcript of the speech. In groups of two...

Students investigate four main issues of concern between US and Japan prior to US involvement in World War II. In this role play lesson plan, students will take the role of US and Japanese negotiators trying to find a diplomatic solution...

In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They take the square roots of both side of each equation then graph both the linear and quadratic functions. There are a total of 84 problems...

Students simply roots and organize it. In this algebra lesson, students solve radicals by simplifying them. They solve for squares by taking the square root of both sides of the equation. They simplify and rationalize the denominator.