Curated OER
Trigonometric Graphing
Students analyze graphs. In this trigonometric instructional activity, students identify the different graphs of sine, cosine and tangent. They graph the inverse of those trig values and identify their properties such as phase shift and...
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Angle Bisectors
Students identify different angles. In this geometry lesson plan, students identify different properties of triangles. They find the altitude, median and angle bisector.
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Isosceles Triangle Investigation
Students solve problems with isosceles triangles. For this geometry lesson, students identify and use the properties of triangles to solve their problems. They find the median, altitude, and angles to the triangles.
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Median
Students solve problems involving triangles. In this geometry lesson plan, students use the properties of triangles to find the angles and side. They identify the median and altitude of the triangle.
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Mirror Tool
Students define properties of polygons. In this geometry lesson, students differentiate between similar and congruent polygons. They identify and use the properties of solids to solve problems.
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Investigating Area and Perimeter of Polygons.
Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.
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Isosceles Triangles
Students identify the properties of an isosceles triangle. In this geometry lesson, students find the midpoint, median and angle bisector of a triangle. They construct angle bisectors and measure missing angles.
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Triangles with Collinear Circumcenters
Students identify the circumcenter of a triangle. In this geometry lesson, students construct a perpendicular bisector using a straight edge and a compass. They differentiate between triangles and collinear points.
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Discovering Euler's Theorem
Students identify different parts of a prism and polyhedra. In this geometry lesson, students identify the number of faces, edges and sides of polygons. They solve problems by recognizing patterns.
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Pedal Triangles
Students identify the properties and theorems of triangles. In this geometry lesson plan, students construct angle bisectors using a compass and straight edge. They identify triangular similarity and congruency.
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Triangle Side Lengths and Angles Measures
Learners identify missing sides and angles. In this geometry lesson, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.
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Properties of Special Parallelograms
Students identify properties of trapezoids. In this geometry lesson, students are put into groups and use computer programs to analyze polygons. They drag and move the shapes around as they make predictions.
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Properties of Special Parallelograms
Students identify properties of parallelograms. In this geometry lesson, students label polygons as parallelogram or not. They define and label the properties of a kite.
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Inscribed Quadrilaterals and Parallelograms
Learners differentiate between inscribed quadrilaterals and parallelograms. In this geometry lesson, students identify the shaped of the polygons when it is inscribed inside of a circle. They calculate the missing angles of the inscribed...
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Circle, Secants
Students identify the secant segment of a circle. In this geometry lesson, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
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Exploring Secants: Products of Segments
Learners explore secants and circles. In this geometry activity, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
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Finding the Area of a Parallelogram with Translations
Students calculate the area of parallelograms. In this geometry lesson, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
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Orthographic Drawing
Students investigate orthographic drawings. In this geometry lesson, students identify properties of three dimensional drawings in space. They solve problems using volume and area formulas.
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Exploring Chords: Products of Chord Segments
Students identify the properties of chords. In this geometry lesson, students multiply chord segments to find the solution to their problem. They construct two chords that cross on a circles.
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Investigating Trigonometric Ratios Through Similar Right Triangles
Students identify similar and congruent right triangles. For this geometry lesson, students use trigonometric ratios to identify missing sides and angles of a triangle. They differentiate similar and congruent triangles.
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Sequences and Linear Equations
Students identify the formula to find the nth term. For this algebra lesson, students finish a pattern and identify missing parts in a sequence. They write an equation given a partial sequence.
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Making a Difference in World Health
Students discover environmental awareness by conducting a collection project in class. In this global food lesson, students identify the importance of feeding all of the humans on Earth and discuss why some aren't properly nourished....
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Load! Ready! Fire!
Learners will identify the parts of a cannon and practice demonstrating a mock firing. In this math and science lesson, students read background information on the cannon and its firing. Learners read about and role play positions near...
Pennsylvania Department of Education
Practice Makes Perfect
Students study fact families. In this math lesson, students use fact families to play a game of concentration. Students identify subtraction facts they need to learn.