Curated OER
Marshmallow Geometry
Third graders create 2D and 3D shapes using marshmallows and toothpicks. In this geometry lesson, 3rd graders create their shapes and document the number of faces, edges, corners, angles, and sides. They share one shape and its...
Curated OER
Surface Area with Polydrons
Students explore measurements by analyzing geometric shapes. For this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...
Curated OER
Polygons And Polyhedra
Students recognize and name two-dimensional and three-dimensional geometric figures. One group of students will extend the study of polygons to quadrilaterals while another group of students will extend the study of polygons to...
Pennsylvania Department of Education
Geoboards
Students describe shapes to their classmates using specific properties and practice making triangles on geoboards. In this geoboards lesson plan, students use string on the geoboards.
Curated OER
Applications of Hyperbolas
In this hyperbola worksheet, 10th graders solve and complete 6 different problems. First, they determine the cross-section of a hyperbolic paraboloid curve. Then, students find where the cone intersects the ground in hyperbola as...
Curated OER
3-D Topographic Maps
Students create a 3-D topographic map. In this map building lesson plan, students use cardboard to create a topographic map of the Catskills mountain region.
Curated OER
Isosceles Triangles
Students investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Students locate the prefix "tri" in a variety of words and make connections with...
Curated OER
Geo Jammin' - Day 4, Lesson 15: Geo Jingo Jivin'
Second graders explore how musical instruments h ave varying geometric shape, and how those geometric shapes correspond to three-dimenaional shapes that students have studied.
Curated OER
Arti'stick Mobile
Young scholars examine works of stained glass in one dimensional art form then adapt it a three dimensional transparent mobile. They create their mobile using patterns of shapes and simple images from computer line art, printed art books...
Curated OER
Faces of a Cube
Students identify and correctly name three-dimensional solids; cones, spheres, and cubes. In this three-dimensional figures lesson, students build a cube by matching colored square faces to a correct word. Students then explore...
Curated OER
Dimensional Flower Garden
Students relate the colors in a garden to those in a rainbow by creating a multicolored three-dimensional garden portrait. They read, "Planting a Rainbow" by Lois Ehlert, then construct their garden with colored paper on white cardstock.
Curated OER
Area Unit
Students solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. For this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is...
Curated OER
Geometrically Artistic/Artistically Geomtric
Students identify the two-dimensional geometric shapes Lowrey utilized in the painting Untitled. Students compare the two-dimensional shapes in terms of equivalent fractions, congruency, symmetry and asymmetry. Students create their own...
Curated OER
Space Geometry
Students explore points, lines and planes as it relates to geometry. For this geometry lesson, students analyze space and explain wy it is 3-D and not flat or 2-D. They solve problems involving volume and 3-D shapes.
Pennsylvania Department of Education
Making Cubes
Third graders explore vocabulary associated with three dimensional figures. In this transformations lesson plan, 3rd graders create two dimensional nets for three dimensional figures. Students become familiar with describing two and...
Curated OER
Watching Wheatstacks
Students explore basic shapes in Monet's paintings Wheatstacks, Snow Effect and Morning. They study about light and shadows through reading and experimenting with three-dimensional models and flashlights.
Curated OER
"Sir Cumference and the First Round Table" by Cindy Neuschwander
Students analyze characteristics of various 2 dimensional shapes and explore their properties and use various vocabulary terms to discuss geometric relationships.
Curated OER
Scaling Down the Pyramids
Students construct three-dimensional models of the three pyramids at Giza. They research the building of the pyramids and record the height, base and angle measurements of each pyramid. They create a file of facts regarding the pyramids.
Curated OER
Length, Perimeter and Area
Learners analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationship
Curated OER
Protein Puzzles
High schoolers examine the concept of protein structure. They read an article, construct a three-dimensional model of an insulin protein, take a quiz, conduct Internet research, and answer discussion questions.
Curated OER
Triangles Introduction
Students explore geometry by drawing various shapes in class. In this triangle characteristics lesson, students identify the attributes that classify a shape as a triangle and practice using their bodies to create triangles in class....
Curated OER
Symmetry that is Basic and Beautiful
Learners explore lines of symmetry. In this symmetry lesson, students divide and combine shapes along basic lines of symmetry. Learners explore symmetry in real life objects.
Curated OER
Geo Jammin' - Day 3, Lesson 11: Poly Doodles All Day
Students explore geometric vocabulary through creation of shapes on a geoboard. They present design attributes, transfer of design, and color-coding components mix to create a fun and exciting lesson that stretches student thinking.
Curated OER
Whatever Floats Your Boat
Second graders make boats by folding paper. They identify and draw shapes made during the creating process and place lines of symmetry on them. They demonstrate their understanding by completing an activity sheet imbedded in this plan.