In this math worksheet, students suppose that a function f and its derivative f1 are continuous and that there are constants K, a, and M such that |f(t)|< Keat for t ≥ M.

Students practice using the English language to help them in instances where they have differing opinions. They practice paraphrasing language.

Fourth graders review and complete evaluating information quality. In groups, they research the diversity of the numerous Native American tribes in Montana. They complete a worksheet on evaluating sources on the Internet and share...

In this math worksheet, students will take home a letter to their parents explaining that they are studying Chapter 10: Ratio, Proportion and Percent. Then students will complete a homework activity in which they ask family and friends...

In this math worksheet, students find the solutions to the differential equations. Then they examine the group of equations in order to determine the ones that are linear.

In this math worksheet, students sketch the regions that give rise to the integrals. Then rewrite them as double integrals with the integration order reversed.

Learners explore the concept of health costs. In this health costs lesson, students read an article discussing how female bosses are less likely to cut health benefits. Learners discuss why companies are eliminating health care benefits....

For this diagnostic worksheet, students choose the correct group of words in the correct order to complete the sentences. Students complete 24 sentences total.

In this current events worksheet, high schoolers analyze a political cartoon about President Obama and respond to 3 talking point questions.

In this ESL activity, learners collaborate with classmates to role play going to a cafe to order coffee. Students use the dialogue provided. The vocabulary in the dialogue is typical of UK citizens and may be confusing to others.

A list of five common problems writers face when using comparisons. Each problem is explained, the wrong usage is demonstrated, and the correct usage is demonstrated.

[Free Registration/Login may be required to access all resource tools.] Explains how to prevent hazardous waste pollution and how the Superfund Act regulates this type of pollution.

Read about the destructive process of desertification and how this impacts human beings, how satellite images provide data to document what is happening, and some solutions that have been developed to combat the problem.

This resource, which is part of a learning module, discusses sediment contaminants, problems associated with them, evidence of contamination, and how sediment contamination can be managed.

Many species that have been introduced for the purpose of dealing with a problem such as erosion or a rat epidemic, instead become invasive. How can these invasive species be eradicated? Eminent ecologist Dan Simberloff explains some of...

This site contains information on endangered species. Learn what the U.S. government is doing about this problem.

Hamilton Harbour is home to the largest and most contaminated site within the Canadian side of the Great Lakes - Randle Reef. The site contains approximately 695,000 cubic meters of sediment contaminated with polycyclic aromatic...

This article and video look at the issue of desertification in China and what the World Bank is doing to help combat the problem, as well as how this investment is helping local economies. (Published July 4, 2019) [4:37]

Provides an overview of the issue of sediment contamination in the Great Lakes, how the problem is assessed, causes of contamination, and remedial efforts. Includes links to more in-depth information.

In this article, you can learn about solid wastes. It discusses the problems associated with disposal and possible solutions.

"This report documents the problem of water scarcity in parts of northern China and describes China's agricultural water management policies as well as reforms underway to encourage water conservation." (USDA) (PDF Format)