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Lesson Plan
Curated OER

Measurement: The Size is Right

For Teachers Pre-K - 8th
Specific learning goals are grouped for different grade levels spanning pre-kindergarten to eighth grade. After preparing the questions and materials, you call a learner to come in front of the class and play the game. Young learners...
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Worksheet
Curated OER

Angles (Various)

For Students 4th - 5th
In this angles worksheet, 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

Identifying Angles

For Teachers 4th - 5th
Students identify names of angles. They use a large clock to demonstrate angles using certain times of day. Given a geoboard, students create figures with acute, right, and obtuse angles.
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Lesson Plan
Curated OER

Angles - Unlocking Geometry

For Teachers 3rd - 5th
Students investigate the concept of angles and how they are used in geometry. They construct polygons using various types of angles and then classify them according to their physical properties. Students use a computer program in order...
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Worksheet
Curated OER

Angles – 90’-180’-270’-360’

For Students 7th - 10th
In this angles practice worksheet, students use their problem solving skills to respond to 4 questions that require them to measure angles and turn them.
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Lesson Plan
Curated OER

Law of Sines

For Teachers 10th - 12th
In this Law of Sines worksheet, students describe, in their own words, when to use the law of sines. They give an example of a problem using the law of sines. This two-page worksheet contains one problem and a sample answer.
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Lesson Plan
Curated OER

Using the Web to Explore Shapes

For Teachers 3rd
Third graders research the Internet to locate geometric designs in familiar buildings. They review shapes, solids, angles and symmetry as they research websites of familiar buildings in Louisville. They record the information they see...
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Lesson Plan
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Related Angles

For Teachers 11th - 12th
In this angle worksheet, students identify angles and then determine the related angle. Examples are provided. This one-page worksheet contains 36 problems, with answers at the bottom of the page.
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Lesson Plan
Curated OER

Sample Lesson Plan on Lines and Angles

For Teachers 3rd - 5th
Student complete worksheet using the definitions of lines and angle vocabulary. They define the word and follow a direction given on the worksheet such "construct a line." They complete an online tutorial on how to measure angles using a...
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Lesson Plan
Curated OER

Geometry Straws

For Teachers 3rd - 8th
Young scholars create different angles and shapes by using different lengths of straws. In this geometry straws lesson plan, students glue straws onto paper and define what they have made.
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Interactive
Curated OER

Similar Polygons

For Students 7th - 8th
In this similar polygons learning exercise, students identify the corresponding sides of polygons.  They use proportions to solve problems.  Students determine the scale factor of similar figures.  This two-page learning...
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Worksheet
Curated OER

Trigonometry

For Students 10th - 12th
For 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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Worksheet
Curated OER

Tangents

For Students 9th - 12th
In this tangents worksheet, learners 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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Lesson Plan
Curated OER

IGD: Perpendicular Bisector

For Teachers 9th - 12th
Students draw perpendicular bisectors.  For this perpendicular bisectors lesson, students identify the perpendicular bisector in a polygon.  They use web tools to create and measure perpendicular bisectors.  Students...
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Worksheet
Curated OER

Rectangle: Angle and Lengths

For Students 9th - 12th
In this quadrilateral worksheet, high schoolers determine the measures of angles and their side lengths of a rectangle. There are 15 questions with multiple parts.
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Lesson Plan
Curated OER

An Uplifting Experience

For Teachers 5th
Fifth graders conduct flight experiments.  In this uplifting experience lesson, 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....
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Lesson Plan
Curated OER

Angling for Distance

For Teachers 9th - 12th Standards
Explore the concept of projectile distance through determining the angle that will provide the maximum distance of a launched projectile.  Students launch baseballs on a football field and video tape the path of the ball.
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Lesson Plan
Curated OER

Ratios in Right Triangles

For Teachers 9th - 12th Standards
Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
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Lesson Plan
Curated OER

Angle Explorations

For Teachers 3rd
Third graders observe angles in their classroom and create an angle finder to represent them.In this angles activity, 3rd graders classify angles as acute, obtuse, right or straight. Students find the differences and similarities in angles.
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Lesson Plan
Curated OER

Angles, Triangles, Quadrilaterals, Circles and Related

For Teachers 6th - 8th
Students 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. Students participate in a manipulative...
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Worksheet
Curated OER

Classifying Triangles

For Students 8th - 10th
In this classifying triangles worksheet, students explore given lengths or angle measurements and then classify each triangle as isosceles, scalene or equilateral. They also determine if the triangle may be right, acute or obtuse. This...
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Worksheet
Curated OER

Intersecting Planes

For Students 10th
In this intersecting planes worksheet, 10th graders solve and complete 27 various types of problems. First, they use the diagrams at the right to answer each of the questions. Then, students measure each angle shown and classify them as...
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Worksheet
Curated OER

Interior and Exterior Angles of Polygons

For Students 10th
For this angles of polygons worksheet, 10th graders solve and complete 18 different problems that include determining various interior and exterior angles. First, they determine the measure of various angles described in the first half...
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Worksheet
Curated OER

Three- and Two- Dimensional Geometry

For Students 7th
For 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...