Balanced Assessment
Plenty of Pentagons
Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape...
Curated OER
Tomato Exploration
Create tomatoes in 15-20 minutes using this fun and interactive lesson plan! Learners listen to a book about tomatoes (recommendations listed), and focus on the vocabulary word tomato. They count the syllables...
Curated OER
Geometry Flip Book
Students investigate the concepts of geometry that can be grouped into a flip book that can be used for teaching and review purposes. They define the differences between two and three dimensional figures. Also polygons are reviewed and...
Curated OER
Draw It!
Students follow directions to make two- and three-dimensional shapes. Focusing on polygons, they use the shapes to solve real-world problems and review with the class. They read two of Shel Silverstein's poems and discuss the...
Curated OER
Faces, Vertices, Edges
Students identify the parts of three dimensional objects. In this geometry lesson, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
Curated OER
Spatial Relations - Week 9
In this spatial relations worksheet, pupils solve three-dimensional problems. They find the total number of triangles in a given figure, the number of line segments that endpoints and use integer points to solve two problems. This...
Curated OER
Painted Chairs
Middle schoolers evaluate visual arts by creating furniture designs. In this three dimensional art activity, students utilize the web to examine different artist renderings of furniture, sculpture and architecture. Middle schoolers...
Curated OER
Analyzing 3-D Shapes and 2-D Representations
Students can analyze 3-D objects better with actual physical models and by also drawing 2-D representations of them.
Curated OER
Volume and Surface Area: Which Is More?
Students explore the volume and surface area of three dimensional figures. Through the use of video, students discover three dimensional shapes, their uses in real-life applications, and methods used to calculate their volume and surface...
Curated OER
Creating 3-D Shapes in Art
By learning techniques for drawing 3-D shapes, students can create realistic drawings.
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...
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
Scaling Down the Pyramids
Middle schoolers 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...
Curated OER
Protein Puzzles
Students 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
Fantasy Creature
Students, in groups, create three-dimensional sculptures from found objects. They paint their sculptures and write essays that reflect on the collaborative creative project.
Curated OER
Molecular Models
In this molecule worksheet, students use a molecular model kit to build the molecule, draw a three-dimensional structure, and describe its shape. This worksheet has 2 graphic organizers.
Curated OER
Math, Music and Architecture: Kindergarten Geometry and Aesthetics in Music and Architecture
Students identify and name different geometrical shapes. In this math instructional activity, students distinguish odd from even numbers. They describe the properties of 2 and 3 dimensional objects.
Curated OER
Salad Tray 3D Topographic Model
Students explore the characteristics of topographical maps. They examine the relationship of contour lines and vertical elevation. Students create a three-dimensional model of a landscape represented by a topographic contour map.
Curated OER
What a Shape!
Second graders culminate their study of shapes by describing the shapes using the proper mathematical descriptors.
Curated OER
Investigating Nets and Polyhedra
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
Curated OER
Straws and Shapes
Pupils investigate the concepts related to observing two dimensional objects. They also build three dimensional objects using the two dimensional objects. The students give an oral or written explanation for how the pieces fit together...
Curated OER
Geo Jammin' By DeSign - Day 2, Lesson 7: Start At Square One
Students examine new shape possibilities by combining two and four triangles using manipulatives.
Hawaiʻi State Department of Education
Symmetrical Objects
In order to better understand how to locate a plane of symmetry in 3-dimensional objects, learners create a dance. The class reviews dance and math symmetry, then they practice making symmetrical shapes and movements with a partner....
Illustrative Mathematics
Overlapping Squares
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....