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Finding Slope of a Line

For Teachers 9th - 10th
Students calculate the slope of a line. In this algebra activity, students graph a line using the slope and y-intercepts. They define the steepness of the line using the slope.
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Polynomials and Factoring

For Teachers 7th - 9th
Students classify, add, subtract, and factor polynomials. In this polynomials activity, students classify polynomials by creating their own system. During a discussion, the class decides on a common system. They add and subtract...
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Clay Sculpture: Relationships

For Teachers 3rd - 4th
Students explore art history by conducting an in-class activity. In this sculpting lesson, students examine previously created art sculptures in a textbook. Students utilize clay, sculpting tools and grey paper to create their own...
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Potato Chips Fragility

For Teachers 10th - 12th
Students investigate why some potato chips crumple faster than others. In this physics lessons, students relate the cooking time to potato's fragility. They write a lab report about their findings.
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Hold Off on the Headphones

For Teachers 9th - 10th
Students explore hearing loss caused by sound waves. In this physical science lesson plan, students will start by learning about waves and wave characteristics and move into sound waves. Students will study how sound effects their...
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Are Fruits And Vegetables Really Made of Cells?

For Teachers 9th - 12th
High schoolers design and carry out an exercise to determine if a given fruit or vegetable is composed of cells. They dissect out sections of the fruit or vegetable, prepare stained slides, and make observations under a compound microscope.
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Buying a Car

For Teachers 7th - Higher Ed
Students complete the PLATO ¿¿ Educational Software lesson: Math Problem Solving: Car Costs to determine if he/she can afford to drive the car they are planning to buy.
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Introduction to Inverse Functions

For Teachers 10th - 12th
Learners investigate patterns of inverse functions. In this algebra lesson, students represent functions with the calculator and on paper. They analyze their data and draw conclusions.
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Hibernating Hoopla

For Teachers K - 3rd
Students simulate hibernation with their stuffed animals. They predict the length of time of hibernation and type their math journal entries about sorting, graphing and draw pictures. They read bear hibernation stories.
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Conversions That Make Cents

For Teachers 8th
Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.
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Water Resources

For Teachers 6th - 8th
Middle schoolers explore the differences between surface water and ground water. They collect data using maps and graphs and investigate a Texas river basin and a nearby aquifer. They complete a written report of their findings regarding...
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Aldridge Sawmill - The Story in Numbers

For Teachers 7th
Seventh graders practice math skills while becoming familiar with Texas' "Boom & Bust" economy and the natural history of the east Texas Piney Woods. They utilize worksheets and websites imbedded in this plan.
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Aldridge Sawmill - The Story in Numbers

For Teachers 7th
Seventh graders view overhead maps of Texas, explore history of Aldrige Sawmill, and practice math skills while becoming familiar with Texas' "Boom & Bust" economy and natural history of east Texas Piney Woods.
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Aldridge Sawmill -- The Story in Numbers

For Teachers 7th
Seventh graders view a recent transparency of the average rainfall zones of the state of Texas. Using another transparency, they identify the Piney Woods subregion of the Gulf Coastal Plain and locate national forests and sawmills. ...
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Pythagorean Theorem Proof

For Teachers 10th
Tenth graders investigate the Pythagorean Theorem. Then they type up a formal paragraph proof of a proof of their choice.
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Atlatl Lessons Grades 4-12

For Teachers 4th - 12th
Students examine motion and how to describe it qualitatively.  In this investigative lesson plan students see how aboriginal people were environmentally responsible. 
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Mathematices: Pre-Calculus

For Teachers 11th - 12th
Students relate polynomials to real life situations. In this algebra lesson, students graph equations through modeling and data collection. They must be comfortable doing word problems.
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Investigation of Pot Sherds

For Teachers 4th
Fourth graders review their prior knowledge on the concept of pi. Using broken pieces of pottery, they calculate the circumference from a section of the circle. In teams, they compete against one another to get the most accurate...
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Golden Ratio of the Human Body

For Teachers 9th - 12th
Students calculate the ratio of the height of the body to the height of the navel. They discover that the ratios are all approximately equal.
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Circles and Clocks, Shapes and Time

For Teachers 4th - 6th
Students work in groups to research clocks and practice telling time. In this telling time instructional activity, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles...
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Charting Weight

For Teachers 6th
Sixth graders record the weight of themselves and 3 family over a week, and then use that data to compile 2 bar graphs and 4 line graphs and answer a series of questions.
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Geometry and Symmetry

For Teachers 4th - 6th
Students examine tessellations and their geometric properties. The lesson plan and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
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Fish Now or Later

For Teachers 3rd - 5th
Students describe the effects of over-harvest on a salmon population. They explain the importance of salmon to many communities in Alaska. They manage harvest levels to maintain a sustainable population.
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Estimating Fish Populations

For Teachers 6th - 12th
Learners describe the mark/recapture method used to estimate fish populations. They explain the importance of being able to predict population numbers.

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