Curated OER
Cannon Balls
Second graders investigate 2 and 3 dimensional objects. They discuss the characteristics of the triangle. Students create sequential patterns and describe the rule for their pattern.
Indian Institute of Technology
Could King Kong Exist?
The title says it all: Could King Kong exist? Investigate how increasing the dimensions of an object affects its surface area and volume to mathematically conclude whether a creature with the weight and height of King Kong could actually...
Curated OER
3D Computer Imaging Class: Cross-Section Lesson
Students use 3-dimensional materials to create a simple 3-D object. They think about different ways the object could be sliced. Students choose one way to slice the object, and draw the sliced shape on paper or computer. Using a 3-D...
Curated OER
Third Grade Geometry
Third graders describe 2D and 3D shapes. In this geometry lesson, 3rd graders watch a PowerPoint presentation showing the terms used when analyzing shapes: vertex, edge, angle, side, and face. They compare shapes to see what they have in...
Curated OER
Superb Shapes and Fantastic Figures
Students compare and contrast similar two and three dimensional shapes within cooperative groups.
Curated OER
Translations, Reflections, and Rotations
High schoolers are introduced to the concepts of translation, reflection, and rotation. They practice translating, reflecting, and rotating two-dimensional objects on the coordinate plane. students use computers to learn about the three...
Curated OER
Exploring Secants: Products of Segments
Young scholars explore secants and circles. In this geometry lesson plan, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
Curated OER
Create A Map!
Students examine two- and three-dimensional shapes, and discuss map skills and attributes. They plan and create their own school campus maps using pre-cut building site shapes.
Curated OER
A Cylinder and Its Net
Students sketch the nets for given polygons and cylinders. In this geometry instructional activity, students find the measurements that correspond with prisms, cones and cylinders. they identify parts of three-dimensional shapes.
Curated OER
Pyramids on Parade/Nets
Students sketch the shape of three dimensional pyramids using nets. In this geometry lesson, students differentiate a pyramid from other three dimensional shape. They define the attributes of pyramids.
Curated OER
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.
Curated OER
A Christmas Project
Seventh graders publish a letter and spreadsheet using the computer. They build a three-dimesnsional object with construction paper and develop a Christmas object using coordinates on a graph. Students compose a response in their journals.
Curated OER
Triangles in Architecture
Learners find triangles in the real world. In this geometry lesson, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
Curated OER
Sketching Spheres
Students investigate spheres through sketches. In this geometry lesson, students sketch two and three dimensional shapes creating nets. They find and differentiate between the nets for prisms, pyramids, cones, cylinders and spheres.
Curated OER
Exploring Properties of Rectangular Prisms
Students explore the properties of rectangular prisms. For this geometry lesson, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.
Curated OER
Exploring Volume of Cylinders
Tenth graders investigate the volume of a cylinder. In this geometry instructional activity, 10th graders create three-dimensional cylinders and use a ruler to determine the dimensions. The instructional activity progresses...
Curated OER
Surface Area of Cones
High schoolers find the surface area of cones. In this geometry lesson plan, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the...
Curated OER
Exploring Arrangements of 2, 3, 4, and 5 Cubes
Students use problem solving skills to create various models of tricubes, tetracubes, and pentacubes. They classify the cubes into various groupings and identify them as mirror images, regular arrangements, and irregular arrangements....
Curated OER
Artifacts: Bringing the Past Back to Life -- the Mexican Case
Young scholars examine and discuss the meanings of the various symbols in Tenochtitlan. In groups, they complete a part of the model of the city and discuss the importance of finding artifacts. Individually, they choose an a...
Curated OER
Surface Area and Volume of a Cube
Students explore finding the surface area and volume of cubes and cylinders. They construct similar three-dimensional figures from a two-dimensional drawing. Students derive the formula for volume and surface area through examination...
Curated OER
Copycats
Third graders describe the features of 2 and 3 dimensional objects and use the language of geometry. They design and make a pattern which involves translation, reflection or rotation.
Curated OER
Perfumania
Students identify various geometric shapes. Apply the given formulas to determine the volume of these shapes. Design their own container to conform to specifications provided. Use their knowledge of volume formulas and shapes to compute...
Curated OER
What do two-dimensional tessellations look like? Where in art can they be found?
Young scholars explore the world of art and culture, including the works of M.C. Escher. They identify and create original tessellations. Students use a wealth of interactive multimedia applications. They explore the artistic...
Curated OER
Details, Details, Details
Writing can become one-dimensional if authors don't involve all their senses. First, scholars observe a strange object which, ideally, they can touch and even smell. Without using certain words (you can create a list or have the class...