K12 Reader
Geometric Shape Names
Combine math and language arts in the same lesson with a reading passage about number prefixes in geometric shapes. After reading several short paragraphs about the different prefixes used in shape names, kids answer five comprehension...
Curated OER
Can You Name That Shape?
Learners use materials to build, investigate, and draw two-dimensional shapes (polygons). They combine the shapes they have built and draw from the pile to begin a round-robin activity to name and determine the attributes of a selection...
Curated OER
Contact Angle. Interfacial Tension and Wetting
Learners determine the contact angle of water on different surfaces. In this physics lesson, students calculate their percent error using a mathematical formula. They explain the advantages of using non-wetting surface for certain...
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Polygon Angle Partners
In this math worksheet, pupils analyze 6 geometric figures. Students label each polygon with its name and measure each inside angle. Pupils are instructed to compare their measurements with those of a partner.
Alabama Learning Exchange
Cosmic Measurements
Students develop two units of measurement to relate to the astronomical unit and the light year. In this astronomy lesson, students use a Twizzler to develop a measurement unit similar to the astronomical unit. They use a moving object,...
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Exploring Angles
In this exploring angles instructional activity, 10th graders solve 6 various problems of geometry by identifying various types of angles. First, they use the figure shown to list all the angles that have W as the vertex and then, name...
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Inscribed Angles
Students calculate the inscribed angle of a triangle. In this geometry activity, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.
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What Is Your Angle?
Students explore the concept of angles by interacting with numerous types of measurements. They create index cards with different angles. Then they pass the cards around to other students for comparison and measurement. They practice the...
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Angle Action
Sixth graders investigate the concept of an angle. They classify an angle according to its type. The lesson has students practice with acute, right, and obtuse angles. A unique part is when telling time using clock hands is related to...
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Hey! What Is Your Angle?
Fifth graders create and classify straight, right, acute and obtuse angles. In this clever lesson, 5th graders utilize pretzel sticks to form different types of angles. Best of all, they get to eat them at the end!
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Missing Angle Problems
In this problem solving worksheet, 6th graders focus on the angles described in each word problem. Students must solve for each of the 6 problems, giving a written explanation for each in the space provided.
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Classify Angles
In this angle activity, 7th graders identify various angles. Students respond to 6 short answer questions identifying the different angles represented in each.
Curated OER
Investigating a Point on an ANgles Bisector
Pupils investigate points and angle bisectors. In this geometry lesson, students define angles, bisectors and perpendicular bisectors. They analyze angles and bisectors using Cabri software.
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Angle Relationships
For this angle relationships worksheet, 10th graders solve 10 different problems that include determining the value of various angle relationships. First, they name a pair of vertical angles and determine which angle is supplementary to...
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Triangle Angle-Sum Theorem
In this polygons activity, students 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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Study Buddies: Classifying Triangles
In this math worksheet, students analyze an informative chart about the measurement and angles of equilateral, isosceles and scalene triangles. Students then answer 5 questions about classifying triangles.
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Classify and Measure Angles #1
In this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
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Classify and Measure Angles #5
In this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Flipped Math
Intro to Trigonometry
Expand trigonometric ratios beyond right triangles. Pupils start with a review of trigonometric ratios and then take a look at angles in standard position to determine their measurements. Scholars discover how to find coterminal angles...
Curated OER
Inscribed Angles
In this inscribed angles worksheet, 10th graders solve 11 different problems that are related to determining the measurement of various inscribed angles. First, they name the intercepted arc for an angle, the inscribed angle, and the...
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Exploring Angles
In this exploring angles activity, 10th graders solve 12 various types of problems that are related to measuring various angles. First, they name the vertex of an angle and determine whether it appears to be acute, obtuse, right, or...
Curated OER
Forty Mental Math Angle Problems
In this angle worksheet, learners answer forty mental math questions divided into four problem sets. These problems require students to remember angle facts and so simple calculations mentally.
Curated OER
Lines and Angles
In this math worksheet, students find the information concerning the line segments and angles. They define the complimentary and supplementary angles.
Curated OER
Measurement of a Central Angle
Learners calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.