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Activity
National Academy of Sciences

Lights at Night Webquest

For Teachers 7th - 12th Standards
Help learners find ways to become more efficient energy consumers. To start, individuals research how different countries address energy efficiency and then analyze their own carbon footprint. They use their research to identify ways to...
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Lesson Plan
Overcoming Obstacles

Managing Anger in Conflict Situations

For Teachers 9th - 12th
The third lesson in the "Conflict Resolution Module" teaches participants strategies to reduce or control their anger. Class members first list situations that make them angry and then brainstorm a list of techniques that can lessen or...
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Lesson Plan
Curated OER

Equivalent Fraction: Practice B

For Teachers 7th - 8th
Pupils investigate reducing fractions. In this middle school mathematics lesson, students review the skills necessary to reduce fraction to lowest terms.    
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Worksheet
Curated OER

Adding Fractions

For Students 3rd - 6th
In this adding fractions activity, students add fractions that contain one digit numbers and reduce them to their smallest terms. Students complete 18 problems.
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Interactive
Curated OER

Simplifying Fractions

For Students 4th - 8th
In this simplifying fractions learning exercise, learners simplify fractions to their lowest terms. Students simplify 10 problems total on this learning exercise.
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Worksheet
Curated OER

Algebraic Fractions

For Students 9th
In this algebraic fractions learning exercise, 9th graders solve 10 different problems that include simplifying and reducing various algebraic fractions. First, they determine whether each of the fractions can be reduced. Then, students...
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Lesson Plan
Curated OER

Save the Earth: It's Everyone's Home!

For Teachers K - 3rd
Students research ways to conserve and reduce energy and resources. In this reducing waste lesson, students work in teams to experiment with water and losing resources. students brainstorm about ways to conserve and reduce energy and...
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Worksheet
Curated OER

Rewriting Fractions

For Students 7th - 8th
In this fraction worksheet, students reduce fractions to their lowest terms. They change decimals to fractions, and write improper fractions as mixed numbers. This one-page worksheet contains 20 problems.
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Lesson Plan
Curated OER

Now We Teach Six Rs

For Teachers K - 4th
Students explore recycling.  In this ecology lesson, students sort classroom garbage into items that can be reused, reduced, or recycled.  Students brainstorm ideas for reusing items and discuss ways to celebrate Earth Day at home.
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Worksheet
Curated OER

Fraction Practice-Sharpen Your Skills

For Students 4th - 5th
In this fraction worksheet, students reduce fractions to their lowest terms, change mixed numbers to improper fractions and improper to mixed. An answer key is provided.
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Worksheet
Curated OER

Fraction Addition

For Students 5th - 6th
In this fraction addition worksheet, students add the fraction equations and reduce them to lowest terms. Students solve 18 problems.
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Lesson Plan
Curated OER

Sticks and Stones

For Teachers 2nd
Second graders discuss bullying and list ways on how they can help reduce bullying amongst their peers. In this bullying lesson plan, 2nd graders also reflect on their own experiences and write journal entries about them.
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Lesson Plan
Curated OER

Waste Management

For Teachers 4th - 6th
Students explore the impact on waste on the environment, and the impact of the 3R's (reduce, reuse and recycle) as a means of diminishing the waste created by humans.
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Worksheet
Curated OER

Add Fractions (A)

For Students 5th - 6th
In this mathematics worksheet, students solve a number of problems by finding and equivalent fraction using the least common denominator in each. Then they add and change to a mixed number when necessary. Students also reduce the...
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Worksheet
Curated OER

Junk Mail

For Students 2nd - 4th
In this junk mail worksheet, students count the junk mail they get sent to their house and write how they can reduce, reuse, or recycle it. Students come up with 1 way for each.
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Lesson Plan
Curated OER

Reduce, Reuse, Recycle and Compost

For Teachers 3rd - 5th
Students expand their understanding of solid waste management. They examine the effects of packaging decisions. They study engineering advancements in packaging materials and solid waste management.
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Lesson Plan
Curated OER

How We Can Reduce, Reuse, and Recycle

For Teachers 5th - 8th
Young scholars evaluate the school's recycling and waste management practices. After analyzing current methods, teams develop a new recycling plan, and create a slideshow presentation. They present their proposals to the principal for...
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Lesson Plan
Curated OER

The Determination of the Presence of Reducing Sugars Using Fehling's Solution

For Teachers 9th - 12th
Students investigate different fruits and vegetables for the presence of sugars. In this sugars and Fehling's solution lesson, students test the juice from an onion and a lemon for the presence of sugar by adding Fehling's solution and...
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Lesson Plan
Curated OER

Pros and Cons of Cycling/Reducing Carbon Emissions

For Teachers 4th - 12th
Students view a photograph and create a profile for the person in the picture.  In this pros and cons lesson, students find the good and bad of cycling and create a plan to improve cycling conditions.
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Lesson Plan
Curated OER

Reduce, Reuse, Recycle

For Teachers K - 2nd
Students understand the process of recycling. They investigate how it improves the environment. They read the story "Don't Pollute" by Stan and Jan Berenstein. They analyze trash and sort it into bins.
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Worksheet
Curated OER

Solving Equations Containing Algebraic Fractions

For Students 8th - 9th
In this algebraic fractions instructional activity, learners solve and complete 20 different problems that include solving equations that contain algebraic fractions. First, they determine the common denominator in each and use the...
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Lesson Plan
Curated OER

Mixed Media Messages: Reduce, Reuse, Recycle

For Teachers 3rd - 4th
Students examine the process of recycling by creating a mock television commercial about recycling. In this recycling lesson, students watch an animated demonstration about recycling and answer content questions. Students play an online...
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Lesson Plan
Curated OER

Reuse, Reduce, Recycle Paper

For Teachers 3rd - 5th
Students experiment with recycling paper. In this paper recycling lesson, students conduct an experiment in which they dissolve newspaper in water and cornstarch to make new pieces of paper. They add color or flowers to the new paper to...
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Lesson Plan
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Curated OER

Reduce Reuse Recycle

For Teachers 1st - 3rd
Learners discover methods that can save the planet by recycling.  In this sustainable planet lesson plan, students read The Berenstein Bears Don't Pollute Anymore, and practice memorizing the 3 R's.  Learners write commitment letters...

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