More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...

In this percent of change worksheet, students calculate the change in two whole numbers. They compute the percent of change and indicate if it is an increase or decrease.

In this algebra worksheet, students convert percents to fractions by dividing by 100% and then reducing the fractions as necessary. There are 10 questions.

In this percent activity, learners convert percents to fractions.  This one-page activity contains 10 problems.  Answers are provided.

Learners investigate the linear dimension change of heated plastic film and relate the results to processing and service use of the materials. They calculate percent change in dimension as related to anisotropy and molecular reorientation.

In this percent worksheet, learners complete problems such as changing percents to decimals, filling in percentage charts, and more. Students complete 8 problems.

Learners examine climate change. For this current events lesson, students read the provided articles "Key Facts + Key Conclusions=0?" "Oil Companies Fund Climate Change Deniers," and "Acting on Climate Change Facts." Learners respond to...

In this mathematics worksheet, 6th graders find the percents of various numbers. They set up the problem, estimate, and write their response. Students also compare their answers to their estimates for each problem.

In this fraction, decimal, and percent instructional activity, students convert between fractions, decimals, and percents.  Students explore numbers presented in these different forms using models and Gizmo.

Fourth graders go shopping for a real life experience involving percent. They explore the concepts of sales tax and discount prices.

In this percent worksheet, middle schoolers change decimals to percents and percents to decimals. They translate written percent problems to equations. There are approximately 24 problems on this one-page worksheet.

Sixth and seventh graders study the concept of finding the percent of a number. They calculate the percent of any given number. Pupils describe ways to use calculating percents in their daily life, and change percents into decimals,...

For this percent worksheet, young scholars problem solve and calculate how to change ten fractions into percents. Students share their answers with their classmates.

Develop a model for prep. The resource provides examples of how items reflect modeling and data analysis for Smarter Balanced assessments. Items use on-grade or below-grade content to focus on the modeling aspect. The questions revolve...

A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include...

With 90 percent of its land area covered in forests, Suriname, a country in South America, contains the largest percentage of forests throughout the world. Here is an activity that brings classmates together to learn about the...

The devastating changes happening to the Native American inhabitants of an island off the coast of Louisiana are the topic of an informational lesson. After scholars break into groups to explore particular topics, they come back together...

Forget hours, divide the day into radians instead. Class members convert the angles in a pie chart of daily activities into radian measures. They add angle measures for multiple activities then determine a relationship between the radian...

How much plastic do manufacturers use to create water bottles each year? The class explores the number of water bottles used throughout the years to determine how many consumers will use in the future. Class members compare different...

Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...

To solve or not to solve that is the problem. A slide presentation of 17 items show different ways that Smarter Balanced assesses Claim 2, problem solving. The items span from sixth and seventh grade concepts to highlight the...

Model and explore osmosis using squash and potatoes. Young scientists expose chunks of potatoes to different concentrations of a squash solution. They compare the weights of the chunks before and after exposure to the solution and use...

Swimming is more fun with quantities. The short assessment task encompasses finding the volume of a trapezoidal prism using an understanding of quantities. Individuals make a connection to the rate of which the pool is filled with a...

It's all about lines when going around. Pupils graph the relationship between the length of a side of a square and its perimeter. Class members explain the origin in context of the side length and perimeter. They compare the graph to the...