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Lesson Plan
Curated OER

Exterior and Interior Angles of Triangles

For Teachers 10th
Tenth graders explore the exterior and interior angles of triangles. They use a theorem in order to prove a theorem about all polygons. Students use the theorem and its applications to find the angles of different types of triangles.
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Worksheet
Curated OER

Measuring Spider Web Angles

For Students 2nd - 3rd
In this mathematics worksheet, students identify that the spiders each used a different angle to create their webs. Then they find out each spider's angle by estimating and measuring.
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Worksheet
Curated OER

Angle and Radian Measure

For Students 9th - 10th
In this angle and radian measure worksheet, students find the measurement of a central angle. Students determine the speed of rotation, linear speed of a point, and radians per second. This two-page worksheet contains twelve problems. ...
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Interactive
Curated OER

Pairs of Angles Multiple Choice

For Students 9th - 10th
In this pairs of angles worksheet, students answer eight multiple choice questions covering, supplementary, complementary, vertical, and linear angle pairs.  The solutions are available by clicking on the "check your work" button...
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Worksheet
Curated OER

Corresponding Angles

For Students 6th - 10th
In this corresponding angles worksheet, students measure the corresponding angles in each problem. Students complete 6 problems.
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Lesson Plan
Curated OER

Lines and Angles

For Teachers 6th
Sixth graders explore lines and angles. They create visual representations of lines, rays and angles by drawing them on paper and using a geoboard. On paper, 6th graders write a summary of the characteristics of their representations.
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Lesson Plan
Curated OER

Constructing and Measuring Angles

For Teachers 5th
Fifth graders complete an introduction to the Geometer's Sketchpad software. They explore various beginning functions and practice using required tools. Using the sketchpad, 5th graders measure given angles. They complete follow-up...
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Worksheet
Curated OER

Right Angles

For Students 4th - 5th
In this math worksheet, students compare different shapes while identifying the right angles. They also write down the right angles seen in a classroom.
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Worksheet
Curated OER

Angles and Arcs

For Students 10th
For this angles and arcs worksheet, 10th graders solve 18 various types of problems related to determine various angles and arcs of a circle. First, they find the measure of each angle and arc of the first circle shown. Then, students...
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Worksheet
Curated OER

Quadrilaterals and Angle Sums: Reteach

For Students 5th - 6th
In this quadrilateral and angle sum learning exercise, students review the five types of quadrilaterals. Students then find each missing angle measure and classify the figures as quadrilateral, parallelogram, rectangle, rhombus, square,...
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Worksheet
Curated OER

Estimating and Measuring Angles (B)

For Students 3rd - 5th
In this estimating and measuring angles review instructional activity, students use their math skills to solve 6 problems that require them to estimate and measure each of the 6 angles.
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Worksheet
Curated OER

Geometry, Lines and Angles

For Students 5th - 7th
In this lines and angles worksheet, students answer 10 multiple choice questions about lines and angles.
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Lesson Plan
Curated OER

Light and Angles

For Teachers 3rd - 5th
Students work together in groups to test light and how it reflects at different angles. They create their own hypothesis and answer questions given to them by their teacher. They complete the experiment at home and test if it changes the...
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Lesson Plan
Curated OER

Introducing Angles

For Teachers 6th
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...
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Worksheet
Curated OER

Inscribed Angles

For Students 10th
In this inscribed angles worksheet, 10th graders solve 13 various types of problems related to inscribed angles in geometry. First, they identify a circle illustrated and each arc of the circle. They, students find the measure of each...
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Worksheet
Curated OER

Chapter 8 Worksheet 1: Polygons & Angles

For Students 10th - 12th
In this polygon worksheet, students find the sum of the interior angles of a polygon. They determine the perimeter of equilateral figures, identify concave and convex figures and explore the characteristics of equilateral, equiangular...
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Worksheet
Curated OER

Angle of Sunlight Lab

For Students 7th - 9th
In this sunlight worksheet, students use a flashlight to simulate the angles sun shines. They shine the light on a graph at various angles and trace the lighted areas. They answer questions about the differences in the angles of light...
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Worksheet
Curated OER

Sunlight Angles

For Students 4th - 10th
In this sunlight activity, students solve the problem of how much energy the Earth receives from the different angles of the sun. Students collect data, chart it, and come up with a conclusion.
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Worksheet
Curated OER

State Nicknames - A Right Angle Puzzle

For Students 5th - 9th
In this right angle puzzle, students identify the names of states  by their nickname.  They write the names of the states on a puzzle.  This three-page worksheet contains 50 clues.  Instructions are on the first page,...
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Interactive
Curated OER

Crossword where each Word Makes One Right Angle Turn Along its Length

For Students 7th - 11th
For this right angles worksheet, student properly place seventeen words in a grid.  The words may each make one right angle turn somewhere along its length.  Solutions are provided.
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Worksheet
Curated OER

PreCalculus Test 3: Angle Measurement

For Students 10th - 12th
For this angle measurement worksheet, students identify the domain and range of given problems.  They determine the amplitude, period and horizontal translation of given functions.  This two-page worksheet contains 16 problems.
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Organizer
Curated OER

Triangle Angle-Sum Theorem

For Students 5th - 8th
In this polygons worksheet, learners fill out a graphic organizer about the name of the polygon, the number of sides, the angle sums, and more. Students complete this for 5 polygons.
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Worksheet
Curated OER

Nine Quadrilateral Problems Involving Angle Measures and Classification

For Students 9th - 11th
In this quadrilaterals worksheet, students calculate the measure of angles in five parallelograms, name a quadrilateral, and find values of given variables in three diagrams.  The solutions are provided.
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Worksheet
Curated OER

Angle Bisector

For Students 10th
In this geometry worksheet, 10th graders use a straightedge and a compass to construct the bisector of a given angle.  The one page worksheet contains two problems.  Answers are provided. 

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