Curated OER
Congruent Triangles - Is This Enough Information?
Seventh graders examine congruence postulates and apply knowledge to triangles in the world around them.
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Standard Linear Form
Ninth graders identify and describe the x-intercept as the place where the line crosses the x-axis as it applies to football. They create their own differentiations to reinforce the distinction between the x-intercept and the...
Texas Instruments
Exploring Quadratics in Factored Form
Young mathematicians explore quadratics equations in this lesson. They investigate the relationship between the standard form and factored form of quadratic equations. Learners then examine the relationship between the factoring form of...
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Patterns In Hexagon Tables
Sixth graders construct a rule about the number of sides found in a pattern of hexagons. For this mathematical problem solving lesson, 6th graders observe different hexagon patterns and create a rule about the relationship between the...
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Sled Kites and Trigonometry
Students study the history of kites and their fundamental properties. In this kites lesson students divide into teams and build and fly kites.
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The Corner Problem
Students explore the concept of the corner problem. In this corner problem lesson, students use the TI-NSpire to determine the maximum length a rod can be and still pass horizontally around a corner. Students use similar triangles to...
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Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume
Learners explore perimeter, volume, and area. In this math lesson, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Learners investigate the results when the...
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Party Time
Students explore the cost of a party. In this math lesson, students plan a party and determine the cost of hosting a party. Students use information from grocery stores to determine the unit cost of items for the party.
Pennsylvania Department of Education
Extending Pattern Understandings
Students use shapes and manipulatives to demonstrate patterns. In this patterns lesson plan, students also break up patterns to identify a pattern unit.
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Functions Can Be Fun!
Eighth graders work together in groups to discover linear functions. They are giving a situation and they are to recreate it in their groups. They answer questions to complete the lesson.
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Create and Analyze Rectangular Patterns
Students explore the concept of geometric patterns. In this geometric pattern lesson, students use Microsoft Excel to explore geometric patterns. Students analyze growth rates of pattern growth. Students create their own patterns and...
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Drip, Drip, Drip or The Case of the Leaky Faucet
Students explore the cost of wasted water. In this math lesson, students conduct an experiment in which they collect data on how much water is lost when a faucet leaks. Students figure the cost of the water that was wasted.
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Multiplying Decimals and Mixed Numbers
Middle schoolers multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
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Help! I Need Five Minutes
Students practice ways to better manage their time. They keep track of their current use of time. Students prioritize and schedule events and use a daily planning calendar to schedule their time.
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Engineering Design and Problem Solving
Twelfth graders determine the pixels in photos. In this engineering lesson, 12th graders design a picture mosaic using the computer. They design their own class picture.
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Circle Relationships
Students explore circles. In this geometry activity, students explore the relationship between the circumference of a circle, the distance a ball travels, and the number of rotations the ball must make in order to travel a certain...
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Energy Choices
Students figure the best gas prices. For this math lesson, students add and multiply with decimals. Students complete a worksheet to find which supplier offers the best gas prices.
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Ohio Census 1990 and 2000
Pupils explore the Ohio census numbers in 1990 and 2000. In this social studies lesson, students use the census data to answer questions.
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Pythagorean Theorem
Young scholars solve right triangles using the Pythagorean Theorem. In this solving right triangles using the Pythagorean Theorem lesson, students find the missing side of a right triangle. Young scholars find the hypotenuse...
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Properties of Fractals
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
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Properties of Fractals
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Curated OER
Studying Fossils: Dinosaur Tracks From Stride to leg Length to Speed
Students explore dinosaurs. Students determine the relationship between leg length, stride length, and speed in humans and bipedal dinosaurs. Students analyze collected information. Based upon the data, dinosaur tracks, and fossils,...
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Perimeters, Patterns, and Conjectures
Students discover patterns and write conjectures relating to perimeters and polygons. Working in cooperative learning groups, they use manipulatives and graphic organizers to solve problems then answer a series of questions in which they...
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A Functional Housing Market
Pupils access the Internet to search for housing prices in Houston, Texas,(the location can be changed to accommodate any location) and compare the prices to the number of square feet found in the living area of a house.