Worksheet
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Geometry: Calculating Perimeters

For Students 9th - 12th
In this perimeter worksheet, students find the perimeter of 3 polygons. Students find the perimeter of irregular polygons given various side lengths.
Worksheet
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Standardized Geometry Test Practice

For Students 10th
In this angles, lines and figures review learning exercise, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line....
Lesson Plan
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Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
Lesson Plan
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Acute Triangles

For Teachers 4th - 8th
Learners study acute triangles. They measure angles using a protractor, then classify the triangles as either right, obtuse, or acute. Everyone creates a design for a Navajo rug using only acute triangles.
Lesson Plan
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Hypatia: Angles

For Teachers 6th - 7th
Introduce your young geometers to Hypatia, the first noted Greek female mathematician, and the properties of angles. Though this resource is missing worksheets that are needed to complete the lesson, the structure is sound and learning...
Lesson Plan
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Volume of Cones

For Teachers 9th - 12th
Students identify the volume of cones and pyramids. In this geometry lesson, students derive the formula for cones and pyramids. They calculate the volume of cones and other three dimensional shapes.
Lesson Plan
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Volume of Cylinders

For Teachers 7th - 10th
Middle and high schoolers calculate the volume of cylinders. In this geometry lesson, learners differentiate between rectangular prisms and cylinders. They use the correct formula to solve for each solid.
Interactive
CK-12 Foundation

Angle-Side-Angle Triangles: Caution Tape

For Students 10th - 12th Standards
Don't lose your marbles. Scholars use an interactive to create a triangle that closes off a portion of a sidewalk with loose marbles. The Law of Sines helps them find the side measures of such a triangle.
Lesson Plan
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Measuring The Earth

For Teachers 9th - 12th
Students use their geometry and trigonometry skills to determine the distance between their school and another school.
Lesson Plan
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Word Problems: Geometry

For Teachers 5th - 8th
Students solve word problems by using basic geometry. In this geometry instructional activity, students use geometric formulas to find the perimeter, area, and volume of objects. Students complete a worksheet.
Lesson Plan
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Angle Measurement and the AD-1 Aircraft

For Teachers 7th - 8th
Students represent and solve problems using geometric models and apply geometric properties and relationships. They also practice constructing and measuring angles. By constructing, drawing, visualizing, and comparing geometric figures...
Lesson Plan
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The Long and Short of It - Geometry

For Teachers 1st
First graders use appropriate vocabulary to compare the measurement of the animal he/she is drawing.
Worksheet
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Geometry Worksheet

For Students 10th - 12th
In this geometry activity, students find the area of four polygons. They compute the measure of an angle. Students find the length of the sides of a right triangle. They name one arc and find the measure of two arcs.
Lesson Plan
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Measurement, Perimeter and Area

For Teachers 7th - 9th
Young scholars explore the concept of measurement.  In this measurement lesson plan, students collect data about themselves such as height, finger length, neck circumference, foot length, and other body measurements.  Young...
Worksheet
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Geometry Worksheet

For Students 10th
In this geometry worksheet, 10th graders solve for the missing angles using the angles theorems. There are 3 questions asking about angle bisectors and missing angles.
Lesson Plan
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Perfection on Ice!: Math, Geometry, Fibonacci Numbers, Olympics

For Teachers 5th - 7th
Students use the human body as a foundation for gaining practice in measuring angles and calculating ratios and proportions.
Lesson Plan
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Geometry

For Teachers 9th - 12th
Students examine how similar triangles have same angle measures.
Worksheet
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Angle Terms Word Search Puzzle

For Students 7th - 8th
In this geometry worksheet, learners find thirteen terms associated with angles. The terms include parallel, right, congruent, and degrees.
Worksheet
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Geometry, Lines and Angles

For Students 5th - 7th
In this lines and angles activity, students answer 10 multiple choice questions about lines and angles.
Lesson Plan
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Shape Up!

For Teachers 2nd - 4th
Students investigate measurement through the use of literature through this series of lessons.
Worksheet
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Area

For Students 10th
For this area worksheet, 10th graders solve 7 various types of problems by finding the area of various shapes in geometry. First, they determine what happens to the area and perimeter of a rectangle when the length and width are doubled....
Lesson Plan
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Don't Burst My Bubble

For Teachers 6th - 8th
Students practice using measuring techniques by examining bubbles.  For this geometry lesson, students utilize mathematic formulas to discover the circumference and diameter of soap bubbles they blow.  Students practice...
Interactive
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Parallelograms Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students calculate the different measurements for parallelograms using the properties of quadrilaterals. They are given partial information and must solve the problem. There are 6 questions with an answer...
Worksheet
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Understanding Angles

For Students 9th - 11th
In this geometry worksheet, students identify the different measure of each angle. They rotate the rays around and make observations about the angles formed. There are 15 questions and lots of examples.

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