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Worksheet
Curated OER

Subtract Mixed Numbers with Like Denominators

For Students 4th - 5th
In this mixed number subtraction activity, students solve a total of 16 problems with like denominators. Answers are included on page 2, one example is completed for students.
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Worksheet
Curated OER

Subtracting Improper Fractions (3)

For Students 4th - 6th
In this subtracting improper fractions activity, students use their math skills to solve 10 problems that require them to subtract improper fractions.
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Lesson Plan
Curated OER

Ocean Exploration: Dentists of the Sea!

For Teachers 3rd - 5th
Pupils watch videos about unusual fish behavior and write to marine scientists about the proper care of fish. In this fish lesson plan, students watch the videos on how to properly transfer fish to saltwater, and they do so in an aquarium.
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Interactive
Curated OER

Present Perfect in Context

For Students 5th - 10th
In this present perfect tense worksheet, students identify the tense used in the sentences indicated by the context. Students complete 6 problems.
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Lesson Plan
Curated OER

Phytochemicals

For Teachers 7th - 12th
Students study what phytochemicals are, how they work and where you can find them. In this food chemicals lesson students complete and activity and study products that contain phytochemicals. 
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Worksheet
Curated OER

Fraction Model: Division

For Students 4th - 5th
In this fraction division worksheet, students read information about dividing, using pizzas divided among fraternity houses as models, completing simple related problems. 
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Interactive
Curated OER

Advanced Math Problems

For Students 6th
In this grade 6 math worksheet, 6th graders answer a set of 20 multiple choice questions. Answers may be submitted and checked on-line.
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Lesson Plan
Curated OER

Refrigerator to Renoir: Ten Great Art Lessons on the Net

For Teachers Pre-K - 6th
Every learner can be an artist with a series of activities designed to access their creativity. With reference links and instructional ideas, this art resource is sure to enrich your class and bring new ideas to even your most reluctant...
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Lesson Plan
Curated OER

Revolutionary War: The Battle of Oriskany

For Teachers 7th - 12th
Students evaluate the decisions several New Yorkers made about which side to support during the Revolutionary War and analyze the Battle of Oriskany to determine whether the Tories or the Rebels won the battle.
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Lesson Plan
Curated OER

Watts Up with the Heat

For Teachers 6th - 12th
Learners create a variety of simple, series and parallel electrical circuits to illustrate how electricity flows through different types of basic circuits.
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Lesson Plan
Curated OER

Literature/Math Crossover Lesson Plan - Word Problems

For Teachers 1st
First graders, after listening to the story I Can Lick 30 Tigers Today! think of a word problem of their own. They do this at their desks in their pre-assigned learning groups.
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Lesson Plan
Curated OER

Area

For Teachers 3rd - 4th
Students examine the mathematical concept of area. These activities and discussions may be used to develop students' understanding of this mathematical concept and will enable students to calculate the area of a random shape on a grid.
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Lesson Plan
Curated OER

TRANSPIRATION IN PLANTS

For Teachers 9th - 12th
Students define the hydrologic cycle, define transpiration, name the three parts of the hydrologic cycle, and record the amount of moisture given off by several green plants.
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Lesson Plan
Curated OER

CONTAMINANT SCAVENGER HUNT

For Teachers 6th - 9th
Learners identify substances and activities within a household that contribute to water pollution and identify safe cleaning alternatives for commercial cleaning products.
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Lesson Plan
Curated OER

BIOASSESSMENT OF STREAMS

For Teachers 8th - 11th
Students work as a team to gather organisms from a stream to evaluate if the water quality is excellent, good, or fair to poor.
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Lesson Plan
Curated OER

Taxonomy Project

For Teachers 9th - 12th
Students act as a taxonomist and, given a certain situation, classify existing organisms.
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Lesson Plan
Curated OER

Observing Buffers In Lakes, Ponds And Streams

For Teachers 9th - 12th
Students observe the effects of limestone on the acidity of water. Some areas of the nation have a lot of limestone in lake bottoms and in soil, which helps neutralize the effects of acid rain. Students see this effect first hand.
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Lesson Plan
Curated OER

Soil and Agriculture:Lesson 3 - Soil Erosion

For Teachers 6th - 8th
Students reseach the different types of soil erosion and ways to control it in this series of activities.
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Lesson Plan
Curated OER

Your Role as a Taxpayer: Why Pay Taxes?

For Teachers 9th - 12th
Students evaluate the basic rationale, nature, and consequences fo taxes. They describe why governments need taxes as revenue to provide goods and servicesin this series of activities.
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Lesson Plan
Curated OER

Impact of Government on the Individual

For Teachers 4th - 12th
Students make a list of how the government impacts their lives and discuss it with their parents. In this government lesson plan, students also write a paragraph about what they discussed.
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Lesson Plan
Curated OER

Ethics In The Science Classroom - The Landfill

For Teachers 11th - 12th
Students discuss the risks a landfill may pose to a community. The setting is a school board faced with a decision about whether to close a school until the landfill is capped (a 3 year period). They are asked to determine how they would...
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Lesson Plan
Curated OER

Mapping Data Made Manageable

For Teachers 5th - 8th
Students explore how to select unbiased random samples as they choose report data to include on maps. They propose methods for choosing random numbers and discuss their advantages and disadvantages. They consider bias in science.
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Lesson Plan
Curated OER

Multiple Coin Combinations Lesson

For Teachers 2nd
Second graders identify different coin combinations that equal the same amount.
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Lesson Plan
Curated OER

Coin Combinations Lesson

For Teachers 2nd - 3rd
Students identify how many coins: quarters, nickels, dimes, and pennies equals a given dollar amount.