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Worksheet
Curated OER

Chapter 4 - Objective 3.1 - Perimeter & Angle Measure

For Students 10th - 12th
In this perimeter and angle measure worksheet, students find the length of the side of triangles and rectangles from given information. They read story problems, write equations and solve the problem. This one-page worksheet contains...
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Worksheet
Curated OER

Finding the Angle Measurements in Isosceles Triangles

For Students 9th
In this angles worksheet, 9th graders find the angle measurements in four isosceles triangles.  Two of these triangles are drawn inside a circle, where two of the sides of the triangles are formed by radii.
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Worksheet
Curated OER

Estimate then Measure the Angle #1

For Students 4th - 6th
Practice angle estimation with a worksheet. First learners estimate three angles within 15 degrees, then they measure and name each angle. A reference website is given for additional activities.
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Lesson Plan
Curated OER

Projectiles

For Teachers 3rd - 8th
Learners measure the angle and distance of an arc. In this projectile lesson, students observe arcs created by water guns, bow and arrows, and slingshots, then work in small groups and use protractors and strings to measure the angle and...
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Lesson Plan
Curated OER

Measuring, Drawing and Naming Angles

For Teachers 4th - 6th
Upper graders examine all angles. In this angle lesson, pupils practice measuring, drawing, and naming angles. They create posters regarding angle vocabulary.
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Lesson Plan
Curated OER

Measure: Bearings and Scale Drawings

For Teachers 4th - 6th
Pupils practice drawing geometric figures. In this geometry lesson, learners complete an activity that requires them to draw angles and shapes to the nearest degree.
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Lesson Plan
Curated OER

Vertical Angles

For Teachers 7th - 11th
With a clean, direct resource like this one, learners can easily focus on the task at hand, which is clearly communicated. They practice figuring the missing measures of vertical angles given the measure of their complement or...
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Worksheet
Curated OER

Circle Graphs

For Students 4th - 6th
In this circle graphs worksheet, learners solve and complete 8 different problems that include word problems referring to two different circle graphs shown. First, they follow the directions for each problem and complete the table that...
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Worksheet
Curated OER

Angles (Various)

For Students 4th - 5th
In this angles instructional activity, students analyze a group of 8 angles. There are no directions for use, but students could measure these with a protractor or classify them as acute, right or obtuse.
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Lesson Plan
Curated OER

Polygons

For Teachers 5th - 7th
Young scholars investigate the concepts related to the study of polygons. They specifically look at how angles is related. The lesson includes specific examples and dialogue to be used by the teacher during direct instruction and...
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Worksheet
Curated OER

Countdown Challenge: Right Angles

For Students 6th - 8th
In this right angle worksheet, middle schoolers observe a map of the United States of America. They indicate all right angles on the map by using a right angle symbol. Students list the names of the states and identify the number of...
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Lesson Plan
Curated OER

Angle Measurement of Aircraft Wings and Tails

For Teachers 7th - 8th
Young scholars measure the angles of wings and tails of various aircraft using a protractor. They estimate and check their measurements. They investigate aircraft being developed and tested at NASA Dryden.
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Worksheet
Curated OER

Measuring Angles

For Students 6th - 7th
In this math worksheet, students use protractors to measure each of a set of angles. This is a worksheet generator, the teacher controls the minimum and maximum angles students are presented with as well as whether or not to rotate...
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Worksheet
Curated OER

Classify and Measure Angles

For Students 4th - 6th
In this angles worksheet, students classify and measure a set of 9 angles, using a protractor. A reference web site is given for additional activities.
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Interactive
CK-12 Foundation

Six Trigonometric Functions and Radians: Degrees to Radians and Back Again!

For Students 10th - 12th Standards
How do degrees relate to radians? The interactive allows pupils to manipulate the size of an angle in a unit circle to help see that relationship. Users determine the radian measure for given degree measures of angles, realizing the...
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Activity
101 Questions

Pool Bounce

For Teachers 9th - 12th Standards
Use geometry to improve your pool game! Learners analyze the front half of a pool shot to determine its resulting path. By measuring the angle of incidence, they are able to predict the path of the ball. 
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Interactive
CK-12 Foundation

Rotations in Radians: Clock Conundrum

For Students 10th - 12th Standards
Pupils use an interactive clock to set specific times. They apply math to an everyday task as they determine the measure of the angle formed by the hands in degrees and in radians. 
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Worksheet
Curated OER

Measuring Angles

For Students 5th - 6th
In this angles worksheet, students use a protractor and measure a set of 5 angles, checking the correct measurements and labeling as acute, right, obtuse or straight.
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Lesson Plan
Curated OER

Finding the Sum of the Exterior and Interior Angles of a Polygon

For Teachers 8th - 10th
Students find the sum of the angles of a polygon and construct a polygon given the number of sides. In this polygon lesson plan, students draw large polygons on the floor of the room. They measure the length of each side and the interior...
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Lesson Plan
Curated OER

Symmetry in Paper Airplanes

For Teachers 5th - 8th
Students explore symmetry.  For this geometry and scientific inquiry lesson, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles.  Students measure the plane's angles using a protractor,...
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Lesson Plan
Curated OER

Interior/Exterior Polygon Angles and Tessellations

For Teachers 9th - 11th
Students discover the sum of the interior and exterior angles of several polygons. In this Geometers sketchpad instructional activity, students work in groups to find the stated measurements of triangles, quadrilaterals, pentagons and...
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Worksheet
Curated OER

Classify and Measure Angles

For Students 3rd - 5th
In this angles learning exercise, students use a protractor to measure and classify a set of 9 angles. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Angle Attributes and Measures

For Teachers 7th
Seventh graders explore the concept of angles. In this angles lesson, 7th graders use protractors to measure angles. Students sing an angle song. Students discuss attributes of angles using a two-color plate manipulative.
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Handout
Charleston School District

Parallel Lines Cut by a Transversal

For Students 8th Standards
Pupils study angle measurements between different types of angles associated with parallel lines and transversals. The independent practice asks pupils to identify the types of angles in a diagram and to determine the measure of angles. 

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