Curated OER
Converting Fractions, Decimals and Percents
Students convert between fractions, decimals and percents. In this algebra lesson, students reduce and rewrite the same quantity three different ways. They relate percents, decimals and fractions to the real world.
Curated OER
Sexually Transmitted Diseases: Overview
Students observe human heath by completing a worksheet in class. In this STD lesson, students identify the different types of diseases which are spread through sexual intercourse and what symptoms will become noticeable. Students...
TryEngineering
Pulleys and Force
Students investigate pulleys and pulley systems. They demonstrate how multiple pulleys dramatically reduce required force. They study hoe pulley systems are used in machines and impact everyday life.
Curated OER
Down By the River
Students examine how watersheds work and determine the difference between point and nonpoint source pollution. They research management practices to reduce pollution and investigate how everyone can participate in reducing water pollution.
Curated OER
Subtract Mixed Numbers with Like Denominators (A)
In this math worksheet, students solve 16 problems in which mixed numbers with like denominators are subtracted. There are instructions on the page with hints for reducing the answers as well.
Curated OER
Add Fractions (J)
In this fraction addition worksheet, 5th graders find the equivalent fractions using the least common denominator by adding the 9 equations. Students reduce the fractions.
Curated OER
Subtract Mixed Numbers with Like Denominators (D)
In this mixed number subtraction activity, 5th graders subtract the whole numbers in the mixed numbers and then the fractions. Students then reduce the fractions to solve the 14 equations.
Curated OER
Subtract Mixed Numbers with Like Denominators (E)
In this mixed number subtraction worksheet, 5th graders subtract the whole numbers in the mixed numbers and then the fractions. Students then reduce the fractions to solve the 14 equations.
Curated OER
Subtract Mixed Numbers with Like Denominators (G)
In this mixed number subtraction instructional activity, 5th graders subtract the whole numbers in the mixed numbers and then the fractions. Students then reduce the fractions to solve the 14 equations.
Curated OER
Subtract Mixed Numbers with Like Denominators
In this mixed number subtraction instructional activity, 5th graders subtract the whole numbers in the mixed numbers and then the fractions. Students then reduce the fractions to solve the 14 equations.
Curated OER
Subtract Mixed Numbers with Like Denominators (H)
In this mixed number subtraction worksheet, 5th graders subtract the whole numbers in the mixed numbers and then the fractions. Students then reduce the fractions to solve the 14 equations.
Curated OER
Add Mixed Numbers With Like Denominators (I)
In this adding mixed numbers activity, students find the sums of whole numbers and fractions with common denominators and reduce and rename the answers. Students solve 7 problems.
Curated OER
Add Fractions (D)
In this fraction worksheet, students review the steps for adding fractions with unlike denominators. They find equivalent fractions using the least common denominator, add, and reduce as needed. They find the sums to 9 problems.
Curated OER
Add Fractions (E)
In this fraction addition worksheet, students review the steps for finding the sums when adding fractions with unlike denominators. They find equivalent fractions using the least common denominator, add, and reduce as necessary. They...
Curated OER
How Foods Bonds Our Diverse Background
Pupils have a better understanding of how food choices reflect our cultural background. They reduce a recipe to the correct serving size.
Curated OER
To Smell or Not to Smell, That is the Ester
Students explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
Curated OER
Identifying an Author's Purpose
Students read, "Research Shows TV PSAs Effective In Reducing Teen Marijuana Use", discuss the article with questions imbedded in the lesson and write their own PSA.
Curated OER
Coral Reef Lesson Plan Caution: Do Not Bleach!
High schoolers explain five ways that coral reefs benefit humans and identify three threats to the reefs. They investigate the phenomenon of "coral bleaching" while examining ways to reduce threats to coral reefs.
Curated OER
Recycling
Young scholars investigate how to reduce, recycle, and reuse items in order to conserve natural resources. They complete a trash graphing activity after discussing different types of trash. Finally, the examine ways to buy recycled...
Curated OER
Comparing Fractions
Young scholars use the assistance of computers to explore reducing fractions. Using various internet activities, students experience comparing and ordering fractions. They develop methods to estimate the value of fractions.
Curated OER
Halloween Candy/ Sugar Content
Fourth graders examine the amount of sugar contained in Halloween candy by looking at nutritional labels from candy bars. They figure out ways to encourage people to reduce the amount of sugar they eat at this holiday. They look at the...
Curated OER
Mapping Crime
Students use data on break and enter crime incidents to make a map that prompt discussion about the spatial location of crime in the city, why it would occur in those places, and how residents may reduce crime.
Curated OER
Sea Pollution
Students explore facts about sea pollution. They discover how litter affects marine life. They investigate ways to reduce pollution. They complete a quiz to test their knowledge of sea pollution.
Curated OER
Global Warming
Students examine how human produced emissions of carbon dioxide contribute to global warming. Using the internet, they research the future effects of global warming on the Earth. In groups, they discover ways to reduce daily energy...
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