Pythagorean Theorem Teacher Resources

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Special Right Triangles

For Teachers 9th - 10th
Learners identify different types of special right triangles. In this geometry lesson, students differentiate between right triangles and isosceles triangles. they construct the triangles using geometry software and make conjectures...
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Exploring Geometric Mean

For Teachers 8th - 10th
Pupils solve problems using geometric means. In this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Exploring Geometric Mean

For Teachers 8th - 10th
Student identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Amazing Consistent Ratios

For Teachers 10th - 12th
Learners derive the six trigonometric ratios. In this algebra lesson, students apply the properties of trigonometric functions to solve problems in the real world. They use the robot to analyze and relate its behavior to that of a right...
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Can You Make a Hole in One?

For Teachers 8th - 11th
Students relate miniature golf to reflection of an image. In this algebra lesson, students collect and graph data as they study linear equations. They apply properties of graphing to solve real life scenarios.
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Surface Area of Cones

For Teachers 9th - 12th
Young scholars find the surface area of cones. In this geometry lesson, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the real world.
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Surface Area of Pyramids

For Teachers 9th - 12th
High schoolers identify the surface area of pyramids and other polygons. In this geometry lesson, students find the different measurements for the different parts of a polygon. They use the surface area formula to solve for the surface...
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Vector Activity

For Teachers 9th - 12th
Students draw different vectors and find the resultant. In this physics lesson, students differentiate distance and displacement. They complete practice exercises at the end of the lesson.
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Congruence Theorems

For Teachers 7th - 10th
Students use an applet to explore the conditions that guarantee uniqueness of a triangle, quadrilateral, or pentagon, regardless of location or orientation. Each set of conditions results in a new congruence theorem.
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Seeing Math in Art

For Teachers 7th - 9th
Young scholars create patterns using different scales. In this algebra lesson, students apply the concepts of art to creating different designs. They use different sizes to explore the concept of scales.
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SOH-CAH-TOA- What?

For Teachers 8th
Eighth graders use trigonometric ratios for finding a missing angle or side of a right triangle. Use of TI-83 calculator is utilized within this lesson. Students identify and use the trigonometric ratios to solve problems with right...
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Plain Figures And Measuring Figures

For Teachers 7th
Seventh graders investigate the mathematical concept of a sector. They apply the concept to an example problem and then move into a more complex application. They find the area of the side of a cone. This is done as students calculate...
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Area & Perimeter using Geoboards

For Teachers 7th - 8th
Students apply the concepts of length, area, and perimeter to real world experiences.
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Calculating the Shortest Distance Between Two Points

For Teachers 9th
Ninth graders calculate the distance between two points.
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Area graphics for 7th graders

For Teachers 6th - 7th
Students randomly select dimensions for three geometric shapes (square, right triangle and circle). From the graphs they compare and contrast the graphical results of each shape.
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Optional Laboratory: Measuring Tree Heights

For Teachers 6th - 8th
Students work together to measure tree heights. They make predictions on what they believe the calculations are and answer questions during the experiment. They share their results with the class.
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Traveling Around the World

For Teachers 8th
Eighth graders, using the Internet, a graphing calculator and a coordinate grid determine the distance from one place of the world to another. They write equivalent forms of algebraic expressions to solve problems. Included in the forms...
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Gridding a 2 x 2 Meter Unit

For Teachers 6th - 8th
Learners use the internet to examine what happens at an archeological dig site. In groups, they practice measuring a 2x2 meter square unit and gridding it out as an archeologist would do. They review the possible solutions at the end of...
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Hexagoning the Circle

For Teachers 6th - 9th
Learners explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Learners share their designs with the class.
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Treasure Hunt

For Teachers 8th
Eighth graders conduct a treasure hunt using the Internet. They define the geometry principles. Students create a story problem based on the information they learned during the treasure hunt.
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Mathematicians of the Month

For Teachers 7th
Seventh graders become familiar with the history and times which influenced a featured mathematician each month. Through Internet research, they gather information about a different mathematician each month. Students solve mathematical...
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Coordinate Proofs

For Teachers 9th - 12th
Students explore the concept of coordinate proofs. In this coordinate proofs instructional activity, students write coordinate proofs using properties of distance, slope, and midpoint. Students discuss why it is sometimes beneficial to...
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Vectors Via the Calculator

For Teachers 8th
Eighth graders resolve vector problems without the knowledge of math.  In this vectors lesson students with poor math skills get a chance of passing the course. 
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Slopes, Distances, and Map Keys

For Teachers 8th - 9th
Students explore Rise and Run. In this math activity, students use Rise and Run to find given slopes, they will use the slopes to calculate distances from point to point on graph paper.

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