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The Pythagorean Theorem

For Students 10th
For this geometry worksheet, 10th graders answer questions about right triangles by identifying the 3 sides of the triangle. They analyze the different shapes of polygons and relate them to right triangles to find the sides using the...
Lesson Plan
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Triangle Sum Theorem

For Teachers 10th
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
Lesson Plan
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Angles in Triangles

For Teachers 8th
Eighth graders translate word problems using mathematical ideas. In this geometry lesson, 8th graders identify angles of triangles using equations and the triangle sum theorem. They create angles with a protractor and straight edge.
Worksheet
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The Pythagorean Theorem

For Students 10th
In this geometry worksheet, 10th graders use the Pythagorean Theorem to determine the length of the third side of a right triangle given the length of any two sides.  The three page worksheet contains a combination of seventeen...
Worksheet
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Pythagorean Theorem and Triangles

For Students 11th
In this geometry worksheet, 11th graders solve problems with right triangles using the Pythagorean Theorem. They find the missing angle or missing side. There are 15 questions with an answer key.
Worksheet
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Conditional Statements

For Students 9th - 10th
In this geometry worksheet, students read given sentences and identify the hypothesis and the conclusion of the conditional statements. There are 21 questions.
Worksheet
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Triangle Inequalities Homework

For Students 10th - 11th
In this geometry activity, students solve problems based on the triangle inequality theorem(s) in which determine if the given lengths can form a triangle, given two sides of a triangle determine the range of the third side, and order...
Worksheet
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Easy Worksheet: Classify the Triangle

For Students 9th - 12th
In this classify the triangle worksheet, students solve 6 short answer problems. Students identify the type of triangle being described according to its angle measures and side lengths.
Lesson Plan
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Classifying Triangles by the Length of the Sides Using Cabri Jr.

For Teachers 9th - 12th Standards
Learners follow detailed directions to create triangles on their graphing calculator. In this properties of triangles lesson, they will create triangles on their calculators using the Cabri Jr. application. They then identify three...
Worksheet
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Area

For Students 7th - 8th
In this area worksheet, students solve and complete 20 different problems that include the measurement of various figures. First, they determine the area of each of the triangles, parallelograms and trapezoids. Then, students determine...
Worksheet
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Properties of Quadrilaterals

For Students 9th - 11th
In this properties of quadrilaterals activity, students use the properties of quadrilaterals to find the perimeter, angle measurement or length of a missing side of a given polygon. Examples and explanations of the properties are...
Worksheet
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Circles

For Students 3rd - 4th
In this circles activity, students fill in 6 fill in the blank statements about circles and solve calculate the answers to 13 questions involving different measurements of circles.
Worksheet
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SAT problem solving practice test

For Students 10th - 11th
In this algebra and geometry learning exercise, students review concepts dealing with angles, lines and basic word problems. They practice answering questions similar to the ones on the SAT.
Worksheet
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New York State Testing Program, Mathematics Book 1 Grade 8

For Students 8th
In this 8th grade math test, 8th graders complete 27 multiple choice problems. Problems cover a wide variety of concepts from geometry to linear equations and computation with exponents. The test is from 2005.
Worksheet
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New York State Testing Program

For Students 7th - 10th
In this math worksheet, students review concepts in algebra and geometry in preparation for the State Exam. They review slopes and functions, area and perimeter. There are 27 questions.
Worksheet
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Trigonometry and the Calculator

For Students 10th
In this geometry worksheet, 10th graders use a graphing calculator to evaluate trigonometric functions and their inverses. The four page worksheet contains explanation, examples, and twenty questions. Answers are not...
Lesson Plan
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Volume of Spheres

For Teachers 9th - 12th
Students find the volume of spheres. In this geometry lesson, students measure and derive the formula for each shape and solid. They use the correct terminology and units when solving these problems.
PPT
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Classifying Triangles

For Teachers 5th - 7th
This presentation shows how triangles are classified by angle measurement and length of sides.  It reviews isosceles, scalene, obtuse, right, and acute classifications and includes questions for students to classify some of the...
Lesson Plan
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Investigating a Point on an ANgles Bisector

For Teachers 7th - 9th
Pupils investigate points and angle bisectors. In this geometry lesson plan, students define angles, bisectors and perpendicular bisectors. They analyze angles and bisectors using Cabri software.
Lesson Plan
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Exploring Angle/Pair Relationships

For Teachers 7th - 10th
Students find missing angles and sides of triangles. In this geometry lesson, students create intersecting lines to measure angles. They use Cabri Software to create virtual angles.
Lesson Plan
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Dream Bedroom Floor Plan

For Teachers 9th - 10th
Students build and apply concepts of geometry. In this geometry lesson, students create a building using proportions and scale drawings. They use Cabri technology to create a virtual drawing first.
Lesson Plan
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Exploring Angle Pair Relationships

For Teachers 9th - 11th
Learners investigate the relationship between angles of triangles. In this geometry lesson, students identify properties of right and non-right triangles. They differentiate between vertical and supplementary angles.
Lesson Plan
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Dream Bedroom Floor Plan

For Teachers 9th - 10th
Students construct using Cabri software. In this geometry instructional activity, students convert between units and apply the correct measurements to build objects. They create the room virtually and manipulate the shapes to the desired...
Lesson Plan
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Special Right Triangles

For Teachers 9th - 10th
Students 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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