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Interactive
Curated OER

Ten Multiple Choice Length Problems

For Students 9th - 10th
In this distance worksheet, students calculate the lengths of sides and diagonals of figures.  Students also compute lengths in shadow problems.  The solutions are provided by clicking on the "show answers" tab at the bottom of the page.
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Worksheet
Curated OER

New York State Testing Program Grade 8 Mathematics Test

For Students 8th
In this eighth grade mathematics learning exercise, 8th graders are presented with questions indicative of those on the eighth grade mathematics examination.  The twelve page learning exercise contains six free response questions that...
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Worksheet
Curated OER

New York State Testing Program Mathematics Test Book 3

For Students 8th
In this eighth grade worksheet, 8th graders assess their knowledge of the major topics of algebra and geometry covered in eighth grade.   The lesson contains twelve questions and a mathematics reference sheet.
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Worksheet
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New York State Testing Program-Grade 8

For Students 8th
In this eight grade worksheet, 8th graders assess their knowledge of the core material from their subject matter.  The twenty page worksheet contains twelve problems.  Answers are not provided. 
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Worksheet
Curated OER

New York State Testing Program-Grade 8

For Students 8th
In this eighth grade worksheet, 8th graders solve problems that represent the grade level expectations for mathematics in New York State.  The twenty-four page worksheet contains sixteen free response questions.  Answers are not provided. 
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Worksheet
Curated OER

New York State Testing Program Grade 8 Math Sample Test 2005

For Students 8th
In this New York state sample test worksheet, 8th graders solve thirty-three sample math problems designed to help students prepare for the grade eight math test.  Tips for taking the test are provided.
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Worksheet
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New York State Testing Program Math Release questions grade 8

For Students 8th - 10th
In this algebra and geometry instructional activity, students solve seven varying math problems.  This instructional activity will help prepare students for standardized tests covering algebra and geometry.
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Worksheet
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Pike's Peak Problem

For Students 7th - 12th
In this algebra worksheet, students answer a word problem about a distance-rate multiplied by times problem. They discuss slope and altitude. There is an answer key with this problem.
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Worksheet
Curated OER

Three Tangent Circles

For Students 9th - 12th
In this tangent circles learning exercise, students use pi to solve a problem involving tangent circles.  This one-page learning exercise contains 1 problem.  The answer is provided at the bottom of the page.
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Lesson Plan
Curated OER

A Lesson on the Root Spiral

For Teachers 9th - 10th
Students create lines and shapes with a compass and a straight edge. In this geometry lesson, students investigate square roots, irrational numbers and spirals. They explore nature to see the shapes representing mathematics and geometric...
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Worksheet
Curated OER

Midpoint

For Students 10th
For this geometry worksheet, 10th graders use the concept of midpoint of a line segment to solve problems in which they determine the length of the indicated segments.  The one page worksheet contains twelve problems, including a...
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Lesson Plan
Curated OER

Special Right Triangles

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

For Teachers 8th - 10th
Students 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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Lesson Plan
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Exploring Geometric Mean

For Teachers 8th - 10th
Student identify the solution using geometric mean. In this geometry instructional activity, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri...
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Lesson Plan
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Can You Make a Hole in One?

For Teachers 8th - 11th
Young scholars 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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Lesson Plan
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Surface Area of Cones

For Teachers 9th - 12th
Students find the surface area of cones. In this geometry lesson plan, 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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Lesson Plan
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Surface Area of Pyramids

For Teachers 9th - 12th
Students 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 area,
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Lesson Plan
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The Overlooked Regular Pentagon

For Teachers 10th
Tenth graders discuss the history of geometry as it relates to pentagons. In this geometry instructional activity, 10th graders solve problems of a pentagon inscribed inside of a circle using ratio. They review other properties for...
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Lesson Plan
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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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Lesson Plan
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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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Lesson Plan
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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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Lesson Plan
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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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Lesson Plan
Curated OER

Gridding a 2 x 2 Meter Unit

For Teachers 6th - 8th
Students 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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Lesson Plan
Curated OER

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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