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PPT
Curated OER

Life in the Soil - Is the Soil Alive?

For Teachers 9th - 12th
Amaze soil scientists with a list of the myriad of microorganisms residing in a mere 1/4 teaspoon of soil! Then take them on a ride through the carbon cycle, down to the level of decomposers. Finally, give more specific details about the...
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Lesson Plan
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Urban Safari: A Walk on the Wild Side

For Teachers 6th - 9th
Learners discover the urban ecosystem through a series of activities. They explore both the biotic and abiotic factors of the urban environment.
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Lesson Plan
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Factors Affecting the Travel and Tourism Industry 1

For Teachers Higher Ed
Students investigate factors that are related to the travel and tourism industry in preparation for the Edexcel BTEC National qualification. They examine real world example of the industry.
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Lesson Plan
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Soaping Up in the Great Lakes

For Teachers 4th - 6th
Students investigate the effects of a variety of cleaning agents on the biotic and abiotic properties in the Great Lakes. They work with student from other schools to determine a workable solution that reduces the impact of cleaning...
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Worksheet
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Principles of Ecology

For Students 4th - 8th
In this ecology worksheet, students will fill in a graphic organizer showing the relationship organisms have with their environments and with each other. This includes biotic and abiotic factors, tropic levels, and ecological pyramids....
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Lesson Plan
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Social Studies: Factors Involved in the Spread of Disease

For Teachers 9th - 12th
Learners examine the reasons diseases become epidemics. they analyze the social, political, and economics factors involved in the process. Students complete charts explaining how these factors aid the spread of disease and discuss...
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Worksheet
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Factors Affecting the Rate of Photosynthesis

For Students 9th - 12th
In this photosynthesis worksheet, high schoolers explore the 3 major factors that affect the rate of photosynthesis. This worksheet has 6 short answer questions.
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Worksheet
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Factoring Polynomials

For Students 9th
In this factoring polynomials instructional activity, 9th graders solve and complete 20 different problems. First, they identify the GCF of each polynomial. Then, students divide the GCF out of every term of the polynomial. Finally, they...
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Worksheet
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Calculating Common Factors

For Students 7th - 8th
In this middle school mathematics worksheet, students use a TI-73 calculator to identify the common factors of the numerator and denominator of a fraction and reduce the fraction to lowest terms.  The one page worksheet contains eleven...
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Lesson Plan
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Investigate Factors Affecting Nitrates in Groundwater

For Teachers 9th - 12th
Pupils participate in an experiment in which they investigate the factors affecting the levels of nitrates in groundwater. Using examples, they explain the nitrogen cycle and identify the sources of chemical nitrogen fertilizers. They...
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Lesson Plan
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Factors To Consider When Looking For Housing

For Teachers 11th - 12th
Students discuss their housing options and factors which affect housing costs. Using the newspaper as a resource, students compare and contrast the prices of housing options. Working with partners, students compare and contrast their...
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Lesson Plan
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Fourths of Sets

For Teachers K - 1st
Students create a set of cards that represent factors of four and use these cards to play a game in which they practice separating numbers into fourths. They first practice separating numbers into fourths with a projected computer...
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Worksheet
Curated OER

Factoring Differences of Squares

For Students 9th
In this factoring worksheet, 9th graders solve and complete 27 different problems that include factoring the differences of squares. First, they state whether each binomial can be factored as a difference of squares. Then, students...
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Worksheet
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Greatest Common Divisor

For Students 9th - 10th
In this greatest common divisor worksheet, students use prime factorization to determine the greatest common factors of two or more numbers. Explanations and examples are provided. This two-page worksheet contains ten problems.
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Worksheet
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Intuitive Notion of Dilation

For Students 7th - 8th
In this dilation worksheet, students identify pictures of a dilation. They determine the scale factor and length of missing sides. This one-page worksheet contains ten problems.
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Lesson Plan
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Mission: Finding the LCM using Prime Factorization

For Teachers 5th - 6th
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
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Lesson Plan
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Prime Time

For Teachers 7th
Seventh graders practice determining the prime factorization of composite numbers. They create Christmas factor trees for prime numbers greater than 100. They decorate their final products with markers, crayons, colored pencils, glitter...
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Lesson Plan
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Maps

For Teachers 5th - 10th
Learners figure out the mileage from one state to another using a map. In this map lesson, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion to find the...
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Worksheet
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Enlargement

For Students 6th
In this enlargement worksheet, 6th graders solve and complete 3 different types of problems. First, they enlarge the given shape by a scale factor of 3. Then, students find the scale factor of the next enlargement. Finally, they enlarge...
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Worksheet
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Similar Objects

For Students 8th - 12th
For this geometry worksheet, students walk through the process of comparing the scale factor of two cylinders' surface area and volume and answer questions about the scale factor of prisms. There are 15 questions.
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Worksheet
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Triangles

For Students 10th
In this triangles activity, 10th graders solve and graph 8 different problems that include various transformations. First, they write a rule for the composition of a dilation of a scale factor. Then, students determine whether a graphed...
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Worksheet
Curated OER

Leveled Problem Solving: Prime Factorization

For Students 4th - 6th
For this prime factorization worksheet, students solve a set of 6 problems related to prime factorization, including determining whether numbers are prime or composite and determining factors.
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Worksheet
Curated OER

Exploring Similar Figures

For Students 10th
For this similar figures worksheet, 10th graders solve and measure 10 different angles that are similar. First, they determine which angel corresponds to each given angle. Then, students determine the scale factor of a particular...
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Lesson Plan
Curated OER

How Large is a Mole of M&M's

For Teachers 9th - 12th
Students calculate whether or not a mole of M&M's fill their high school. They practice factor-labeling, define a mole, and calculate the number of cubic feet per mole of M&M's. To answer the question they measure and calculate...

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