Curated OER
Data-gathering Activities Relating to Trees in Their Environment
Students gather data relating to trees in their environment. In this biology lesson plan, students determine heights of trees and their ages. A canopy map will indicate optimal growing areas for the tree.
Curated OER
Transformations
Students draw on graph paper. In this geometry lesson, students review types of triangles and quadrilaterals. Students investigate geometric transformations, including translation, rotation and reflection. Students practice each...
Curated OER
Exploring the Properties of Rectangular Prisms.
Students define properties of rectangular prisms. In this geometry lesson, students identify the relationship between two and three dimensional objects. They use Cabri technology to graph their figures.
Curated OER
Exploring Properties of Rectangular Prisms
Young scholars explore the properties of rectangular prisms. In this geometry instructional activity, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.
Curated OER
Exploring Chords: Products of Chord Segments
Students identify the properties of chords. In this geometry lesson plan, students multiply chord segments to find the solution to their problem. They construct two chords that cross on a circles.
Curated OER
Product of Chord Segments
Students creating chords intersection using circles. For this geometry lesson, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.
Curated OER
Get the Turtle to the Pond
Students solve problems. In this math lesson, students write solutions using LOGO commands in order to help get the turtle to the pond.
Curated OER
THE MEAN INDEX CARD
Students cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...
Curated OER
Geo Jammin By Design: The Important Thing
Students brainstorm what they know about geometric terms and patterns. They identify symmetry, shapes and congruency. They create a book of symmetry.
Curated OER
Who Am I? (Middle School)
Third graders complete a classroom game used to build understanding of two and three-dimensional shapes. Diagonals, sides, regularity, congruency, angle measurements, parallels, perpendicular, faces, and edges are a few of the vocabulary...
Curated OER
Tantalizing Tangrams
Fourth graders participate in what is considered to be a model lesson. The lesson focuses upon polygons and basic geometry. The lesson addresses national standards and displays how others should be done.
Curated OER
Geometry and Symmetry
Pupils examine tessellations and their geometric properties. The instructional activity and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
Curated OER
Angles And Triangles
Seventh graders participate in a activity that is focused upon the concepts of classifying different angles and triangles. They practice classifying triangles according to its kind that includes types of angles, congruence, and vertices....
Curated OER
Simson Line
Stuednts identify triangles for the Simson Line. In this geometry lesson, young scholars solve triangular problems using the properties of triangles.They differentiate between the height, congruency and similarity.
Curated OER
Diagonals to Quadrilaterals II
Students identify the properties of different polygons. For this geometry lesson, students find the slope of a line and calculate the distance between two lines. They differentiate between similar and congruent polygons.
Curated OER
Math: Arcs and Chords
Students draw diagrams demonstrating how it is possible to two central angles to be congruent and their minor arcs are not congruent. In groups, they illustrate theorems with their constructed circles, create diameters of circles that...
Curated OER
Tetrominoes Cover-Up
Third graders are given square tiles and participate in a demonstration on how to arrange them. Using the tiles, they work with a partner to discover how many two-dimensional tetrominoes they can create. To end the lesson, they must...
Curated OER
Polygons All Around Us!
Students explore the concept of polygon properties. For this polygon properties lesson, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes in...
Curated OER
Angles and Arcs
Students discuss the sum of central angles and use string to create them on circles. They find the measure and length of both minor and major arcs.
Students give examples of concentric, similar, and congruent circles and congruent arcs.
Curated OER
Model Sails: Investigating Sails of Tall Ships
Students investigate the dimensions of a full-rigged ship and a schooner. Using the dimesions, they calculate and compare the area of the sails. In groups, they create model sails that require modeling and estiminating using the...
Curated OER
"Sir Cumference and the First Round Table" by Cindy Neuschwander
Students experiment with rearranging shapes to better visualize the Congruence and relationship of geometric shapes.
Curated OER
Math: Tangents
Students discover how to recognize tangents and how to use their properties. They investigate and use the properties of angles, arcs, chords, tangents, and secants. Students use two tangents and the properties of similar triangles to...
Curated OER
Transforming Fish
Tenth graders investigate transformations. In this geometry lesson, 10th graders are provided the coordinates of a fish and are directed to transform the fish according to the instructions.