Curated OER
Angles at a Point
In this angles instructional activity, students find the measurement of missing angles. They identify complimentary, supplementary and vertical angles. This one-page instructional activity contains 4 problems. Answers are provided.
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Tessellations Multiple Choice
In this tessellations worksheet, students answer questions about the characteristics of tessellations. They identify polygons that will and will not tessellate. Students determine the sum of angles in a polygon tessellation. This...
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Isosceles Triangles
In this geometry worksheet, students set up equations to solve for the missing angle or side of an isosceles triangle. All the equations turn out to be linear and not quadratic. There are 15 questions.
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Trigonometry
In this right triangles worksheet, students use trigonometric ratios to determine the length of a side of a triangle or a missing angle measurement. This two-page worksheet contains 20 problems.
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Tangents
In this tangents worksheet, students determine the length of a missing side of a right triangles. They use tangent lines to solve problems. This two-page worksheet contains 11 multi-step problems.
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IGD: Perpendicular Bisector
Students draw perpendicular bisectors. In this perpendicular bisectors lesson, students identify the perpendicular bisector in a polygon. They use web tools to create and measure perpendicular bisectors. Students identify lines of...
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Special Triangles and Quadrilaterals
In this special triangles learning exercise, students examine given special triangles. They determine the length of a missing side and/or the measurement of a missing angle for given triangles and quadrilaterals. Students justify their...
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Rectangle: Angle and Lengths
In this quadrilateral worksheet, students determine the measures of angles and their side lengths of a rectangle. There are 15 questions with multiple parts.
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Circles:Tangents and Chords
In this circle learning exercise, students solve classic chord-chord angle problems with the angle on, in, and outside the circle as well as chord-tangent problems. There are 20 questions.
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Corresponding Angles
In this corresponding angles worksheet, students identify corresponding angles and determine their angle measurement. This two-page worksheet contains 6 problems. Answers are provided on the last page.
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Angles That Pair
Middle schoolers identify angles. In this angles that pair lesson, students identify adjacent, vertical, complementary, and supplementary angles. They use straws, pretzel sticks to demonstrate given types of angles.
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Basic Shapes
Students create books about shapes. In this shape lesson, students select a topic such as points, lines, angles, planes, polygons, quadrilaterals, triangles, circles, and polyhedra. In groups, they create an illustrated children's book...
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An Uplifting Experience
Fifth graders conduct flight experiments. In this uplifting experience activity, 5th graders build an airfoil and place in a variety of conditions to observe the results of lift and force in flight, as well as angle of attack. Students...
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Angles, Triangles, Quadrilaterals, Circles and Related
Young scholars classify angles. In this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Young scholars participate in a...
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Mr. Bo Jangle, What's Your Angle?
Third graders explore angles. In this geometry lesson, 3rd graders identify and define acute, obtuse, and right angles. Students form angles with their bodies, find angles in picture books, and record angles found outside in their math...
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Using Trigonometry to Find Lengths
In this trigonometry worksheet, students use trigonometric ratios to find the length of a missing side. This four-page worksheet contains 18 multi-step problems. Answers are provided on the last two pages of the worksheet.
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Chapter 8 Test: Geometry Vocabulary
In this geometry worksheet, students match geometry words to illustrated examples. They find the missing angle of given polygons. This eight-page worksheet contains 45 problems. Answers are provided on the last two pages.
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How Does the Angle Effect How Fast a Car Will Travel?
In this angle of movement and speed worksheet, students determine at which angle a car will travel the fastest. They test 12 different angles on a toy car and determine from their data which angle is the best for speed.
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Angles in Polygons
In this angles in polygons worksheet, students determine the value of a missing angle measure. They find the value of interior angles and exterior angles. Polygons include triangles, quadrilaterals, pentagons, and hexagons. This...
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Three- and Two- Dimensional Geometry
In this three- and two- dimensional geometry worksheet, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of each...
Math Mammoth
Construct Line Segments and Angles
In this construction instructional activity, students use a compass and a straightedge to construct line segments, angles, and copy polygons. This one-page instructional activity contains 7 constructions.
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Lift and Launch Angle
Students engage in a hands-on experiment to determine how launch angles affect airflow around the wing of an aircraft. They view a series of photographs and read information describing the Wright Brothers' experiences. They complete a...
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Five Find the Unknown Angle Interactive Problems
In this unknown angle worksheet, students use trigonometry functions in five problems to find the unknown angles. Students may check their solutions and receive hints by using the "Check" and "Hint" button found at the bottom of the page.
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Airplane Wings
Learners examine the aerodynamics of a wing and how it generates lift. In this flight lesson students complete several experiments including how to build a paper plane and how airfoils affect performance.