Students explore the nature of the air we breathe by observing petri dishes that have accumulated particulate matter from the atmosphere. Students make mathematical calculations and inferences about the effect of this matter on...

Sixth graders practice converting a fraction into a decimal and a percent. They explain relationships among rational numbers. They order and compare whole numbers, fractions (including mixed numbers), and decimals using a variety of...

Students explore types of water reserves. In this water conservation lesson, students brainstorm ways water are used in their homes. Students use a graduated cylinder to simulate the amount of water on Earth and the amount that humans use.

In this percentages worksheet, students write twelve decimals as percentages and twelve percentages as decimals. Students check their answers with the key when they are finished.

In this percentages learning exercise, students write eighteen fractions as percentages. Students problem solve each fraction as a percentage.

Students explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.

Students record two consecutive days of food intake. They identify which nutrients are below 70%. They compare diet composition between protein, fats, and carbohydrates. They evaluate fat in the diet to fall below the American Cancer...

Students spend one month keeping track of the mileage and gasoline amounts they or their family has used. Information is entered into a spreadsheet to help calculate the average gas prices over time.

In this problem solving with multiplication and division activity, students interactively answer 10 multiple choice questions, then click to check their answers.

In this multiplication and division activity, students answer multiplication and division problems where they use charts and solve word problems. Students complete 10 problems total.

For this multiplication and division worksheet, students answer multiple choice questions where they problem solve multiplication and division problems in word problems. Students answer 10 questions total.

Middle schoolers investigate water usage at school and at home. They use graphs and tables to evaluate water usage. Students describe possible water conservation measures. They use graphs and tables to relate data as part of a written...

Students use the Internet to do research on the roller coasters at Magic Mountain Amusement Park. They must use mathematical formulas to calculate the highest and fastest coaster at the park.

Students calculate their carbon footprint. In this environmental technology lesson plan, students listen to a lecture on climate change. Students brainstorm solutions to reduce environmental impact based on travel options. Students...

This site contains a lesson about ratios and unit rates as well as guided and independent practice for students to review the skills.

A guide to support parents as they work with their students with ratios and unit rates.

Print or create worksheets or flashcards to assess students' understanding of ratios and unit rates.

The randomly generated questions examine ratio and rate comparisons. Students answer the multiple choice questions which include hints and solutions.

Learners assess their mathematics skills by answering these randomly generated multiple choice questions. Topics included are simplifying ratios, solving ratios, and rates.

The randomly generated questions explore ratio applications. Students answer the multiple choice questions which include hints and solutions.

This lesson is designed to get students connecting their learning about unit rates to real life examples.

[Free Registration/Login may be required to access all resource tools.] Convert ratios to rates and then compare the rates.

[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios to model real-world scenarios. Students examine guided notes, review guided practice, watch instructional videos and attempt...

Activities for students that allow them to explore the concept of comparing ratios and unit rates using real-world scenarios.