Curated OER
Cut, Construct and Think 3
Students identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
Curated OER
Cut, Construct and Think - 4
Students identify polygons. In this geometric shapes lesson, students identify and describe polygons. Students create new shapes out of the shapes they are given.
Curated OER
Cut, Construct and Think - 6
Students identify polygons and calculate perimeter. For this geometric shapes lesson, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Curated OER
The Long and Short of It - Geometry
First graders use appropriate vocabulary to compare the measurement of the animal he/she is drawing.
Curated OER
Geometry House!
Fourth graders use computer drawing tools to create a house of geometric shapes.
Curated OER
The Centroid : Balancing the History
Students discover the centroid of a triangle based on Euclid's constructions. They explore locus of points of a median. They understand properties of the segments that form the median and areas of the smaller sections formed by the median.
Curated OER
Who Built That NYS Thruway Bridge Anyway?
Students discover how engineers determine the best designs for bridge construction. They see how bridge constructions relates Engineering to Geometry. They see the implications and consequences of bridge design on your community/world.
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Play Dough Day
Twelfth graders build a model of the following figures with the base from column I and the cross-section from column II. Draw the base with labeled axes on the graph paper and construct the figure on top of the base with the play dough...
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Relationships Among Arc and Angle Measures in Circles
Students follow the directions on the attached worksheet to construct shapes using Geometer's Sketchpad. To start the lesson, it is suggested that the teacher guide the students through the initial problem. When constructions are...
Curated OER
Incredible Edible Bridges
Learners create a bridge using engineering and geometric concepts. In this geometry lesson, students identify the missing measures of polygons sides and angles. They work together to solve real life situation using problem solving...
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CSI Investigation of Congruence and Similarity
Students differentiate between similarity and congruence using polygons. In this geometry lesson, students label triangles based on their properties. They find missing sides and angles using the interior sum theorem.
Curated OER
Altitude Locator
High schoolers use protractors, strings, and straws to construct a device used to determine the height of tall objects. In this applied geometry lesson, students use common objects to construct a tangent height guide. They use principles...
Curated OER
Studying Special Segments in Triangles
Students investigate special segments in triangles. In this geometry lesson plan, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. In this geometry instructional activity, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
Curated OER
Area
For this area worksheet, 10th graders solve 7 various types of problems by finding the area of various shapes in geometry. First, they determine what happens to the area and perimeter of a rectangle when the length and width are doubled....
Curated OER
The Louis Vuitton Project, using 3rd degree equations
Students model three-dimensional objects using cubes. In this geometry activity, students calculate the volume and derived the amount mathematically. They use different objects to create two and three-dimensional objects.
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Parallel-o-Home
Students investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot he...
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Strongest Polygon
Students define and identify shapes by name. In this geometry lesson, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Creature Design
Fifth graders create mathematical creatures. In this geometry lesson, 5th graders create a creature from regular and irregular geometric shapes. Students review vocabulary and construct an original creature based on a rubric.
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Compass Designs
Young scholars investigate the properties of two and three dimensional objects. In this geometry instructional activity, students differentiate polygons based on similarity and congruence. They make observation and interpret the data.
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Sketching Pyramids
Students sketch and identify properties of pyramids. In this geometry lesson, students create nets to identify three dimensional shapes. They sketch cones, prisms and pyramids.
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Segment and Distance
Learners explore the definitions of segment and distance. They perform hands-on activities to form a segment and examine distance. Following teacher guidance, they construct congruent line segments. Independently, they find the...
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Geometric Relatioships
Students explore measurements and geometric formulas. In this geometry lesson, students investigate pi as it relates to geometry. They collect data and use a chart to organize the data.
Curated OER
Creating Perpendicular Bisectors
Students create perpendicular bisectors. In this geometry lesson,students use a straight edge and protractor to create a perpendicular bisector. They graph line on the TI and analyze it.