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Exploring Area
Tenth graders calculate the area of various shapes. In this geometry lesson, 10th graders use isometric paper to draw shapes. They identify their shapes by name and calculate how many triangles will fit in the area of a shape.
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Rectangular Gardens
Students create a rectangular garden using paper and tiles. In this geometry instructional activity, students investigate the largest possible rectangle that can be created given specific boundaries. They use grid paper to draw the...
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Investigation-On the Surface
Young scholars compute the surface area of 3 geometric solids to determine the shape of package that would require the least amount of paper to wrap. In this geometry lesson, students work on a two-question assessment embedded in the...
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How Many Toothpicks?
Students investigate different geometric patterns. In this geometry lesson, students create different shapes using toothpicks. They create different patterns and designs and complete a charts using different measurements.
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Creating Circle Graphs with Microsoft Excel
Students create graphs of circles. For this geometry lesson, students use Microsoft Excel to create graphs. They construct the graphs using paper and pencil as well as the computer.
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Right Triangles and The Pythagorean Theorem
Students play a game to reinforce concepts of the Pythagorean Theorem. In this geometry lesson, students find the missing angle and lengths of a right triangle. They use properties of trigonometry about sine, cosine and tangent to solve...
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Conjectures and Conclusions
Students draw conclusions and make conjectures given a specific scenario. In this geometry lesson plan, students model real life scenarios using properties of triangles. They model number facts and explain why the outcome is what it is.
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Simson Line
Stuednts identify triangles for the Simson Line. In this geometry lesson, students solve triangular problems using the properties of triangles.They differentiate between the height, congruency and similarity.
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Classifying Transformations
Students analyze different polygons by shapes and sides. In this geometry lesson, students differentiate between similar and congruent polygons. They name the different polygons based on the number of sides.
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Power of a Point
Young scholars solve problems by finding the radius or diameter. In this geometry lesson, students identify the tangent line of a circle and use properties of circles to find the radius. They relate circles to the real world.
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Diagonals of Quadrilaterals
Students find the diagonals of the quadrilaterals. In this geometry instructional activity, students identify and use properties of quadrilaterals. They define different parts of a quadrilateral shape.
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Hexagon Island
High schoolers identify different polygons. In this geometry lesson, students name polygons using the number of sides. They calculate distance and slopes using the correct formula.
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Diagonals to Quadrilaterals II
Young scholars identify the properties of different polygons. In this geometry lesson, students find the slope of a line and calculate the distance between two lines. They differentiate between similar and congruent polygons.
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Square Graphs
Students identify the different properties of quadrilaterals. In this geometry-lesson, students define parallel sides and diagonals of polygons as they compare to a quadrilateral. They identify the methods to find the angles in a...
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Line, Ray, Segment
Learners define vocabulary words. In this geometry lesson, students identify the graph as a line, ray or segments. They understand the properties of each and calculate the distance on a number line.
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Perpendicular Lines
Students differentiate between parallel and perpendicular lines. In this geometry lesson, students identify the different angles created by perpendicular lines and parallel lines. They name the angles that are form when parallel lines...
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Angle Bisectors
Students identify different angles. In this geometry activity, students identify different properties of triangles. They find the altitude, median and angle bisector.
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Median
Students solve problems involving triangles. In this geometry lesson, 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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Trains in Motion
Pupils compare two object as they find the distance between them. In this geometry lesson, students create an equation describing the distance of time as a function. They use the navigator to observe the distance.
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Fibonacci Patterns
Learners solve problems using the Fibonacci Patterns. In this geometry lesson, students trackthe growing rate of a rabbit population. They collect the data and graph their results. They make predictions based on their results.
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Pythagorean Circles
Students solve problems using smaller steps. In this geometry lesson, students find the diagonals of rectangles and the area of the annulus between two circles. They are given the starting point and the radius.
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Area, Perimeter Word Puzzle
Learners measure planes and solids. For this geometry lesson, students find the area and perimeter of different polygons.They complete a word puzzle to review their vocabulary words.
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Geometers Sketchpad Practice
Students create polygons using geometers sketchpad. In this geometry lesson, students construct the interior angles of polygons and label the different points. They estimate and measure the different parts as they draw conclusion.
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