Worksheet
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Angles, Bearings and Maps

For Students 7th - 8th
In this angles, bearings and maps worksheet, students measure angles and classify, calculate the size of unknown angles, and complete related multiple choice and word problems.
Worksheet
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Quadrilaterals and Other Polygons: Practice

For Students 5th - 6th
In this polygons learning exercise, learners classify each polygon in as many was possible. Students then write polygon or not a polygon to classify each figure. Learners find the measure of the missing angles and complete two test prep...
Lesson Plan
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Geometry for the Technologies

For Teachers 9th - 12th
Students discover how to use various tools to measure and draw angles. With protractors, they classify angles according to angle measure, identify vertical angles, and perform angle additions. For their final project, students create...
Worksheet
Curated OER

Triangle Inequalities

For Students 10th
For this triangle inequalities worksheet, 10th graders solve 10 different problems that include various types of triangles. First, they determine which side is the longest side of a triangle with given the exterior angle measurement....
Worksheet
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Geometry Worksheet: Angle (3)

For Students 4th - 6th
In this angle measurement instructional activity, students find the degrees of angle x when given the number of degrees in each of the other four points of a star (pentagram).
Lesson Plan
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Geometry of Triangles - Week 6

For Teachers 12th - Higher Ed
In this geometry of triangles worksheet, students find the length of sides, are, and angle measurement of inscribed triangles, pentagons, and midpoint of a line. This two-page worksheet contains seven problems.
Worksheet
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Lines and Angles

For Students 6th - 8th
In this lines and angles activity, students identify parallel and perpendicular lines. They demonstrate the characteristics of a straight line. They determine missing angle measurements. This two-page activity contains 3 multi-step...
Worksheet
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Trapezoids and Kites Multiple Choice

For Students 9th - 12th
In this trapezoids worksheet, students solve 6 multiple choice problems. Students find the lengths of the bases of a trapezoid given a ratio and median length. Students find unknown angle measures of kites and trapezoids given a sketch.
Worksheet
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Easy Worksheet: Types of Triangles

For Students 9th - 12th
In this types of triangles worksheet, students solve 6 short answer problems. Students identify the type of triangle being described according to side length or angle measure.
Interactive
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Law of Cosines

For Students 9th - 12th
In this cosine worksheet, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
Worksheet
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Rectangles

For Students 10th
In this rectangles worksheet, 10th graders solve 10 problems related to the rectangle illustrated on the sheet. First, they use the rectangle and the given information to solve each of the five problems that follow relating to its angle...
Worksheet
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Geometry Involving Figures - Week 12 (Ratio and Surface Area)

For Students 10th - 12th
In this ratio and surface area worksheet, students find the ratio of surface area of one figure to another. They determine the length of sides and angles through similar figures. Students use trigonometric ratios to find the length of...
Worksheet
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Tests for Parallelograms

For Students 10th
In this geometry worksheet, 10th graders state the theorem used to determine if the given quadrilateral is a parallelogram and find the indicated missing angle measures and side lengths.  The two page worksheet fifteen questions....
Worksheet
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Identify Similar Triangles With Proofs

For Students 10th - 12th
In this similar triangle instructional activity, students write a two-column proof to explain why determined triangles are similar. Given some line lengths and angle measurements, students use proofs to identify the ratio of specified...
Worksheet
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Mid-Segment of a Triangle

For Students 10th - 11th
In this triangle worksheet, students examine triangle diagrams. They determine the perimeter, length of a line, midpoint of a line, and angle measurement from given information. This one-page worksheet contains ten problems.
Worksheet
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Law of Sines

For Students 10th - 12th
In this Law of Sines worksheet, students use trigonometric ratios to determine angle measurement and/or the length of the side of a triangle. This one-page worksheet contains ten trigonometric ratio problems.
Worksheet
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Bearings and Scale Drawings

For Students 5th - 6th
In this bearings and scale drawings worksheet, students redraw diagrams to scale, measuring angles, then solve 2 additional problems, finding bearings.
Worksheet
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Measure, Draw, and Classify Angles: Homework

For Students 7th
In this angles worksheet, 7th graders review the definitions for a right angle, acute angle, obtuse angle, and straight angle. Students then use symbols to name each angle three different ways. Students classify each angle as acute,...
Interactive
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Interior and Exterior Angles of Polygons

For Students 9th - 12th
In this online math instructional activity, high schoolers find the interior and exterior angles of polygons. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Lesson Plan
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Angles in Art Lesson

For Teachers 5th - 9th
Students examine the correlation between art and math. Using their computers, students construct and measure angles. Students identify the properties of angles and polygons. They engage in the Angles program on their Palm and use the...
Lesson Plan
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Back to the Bees (Tesselations)

For Teachers 6th
Sixth graders observe the creation of a tessellation with hexagons. In groups, they work with polygons to discover what shapes can be used to create tessellations and explore the angle measurements of each shape. Using internet websites,...
Lesson Plan
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Geometry

For Teachers 9th - 12th
Students examine how similar triangles have same angle measures.
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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Who Am I? (Middle School)

For Teachers 3rd
Third graders complete a classroom game used to build understanding of two and three-dimensional shapes. Diagonals, sides, regularity, congruency, angle measurements, parallels, perpendicular, faces, and edges are a few of the vocabulary...

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