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
Simply Symmetry
Students are introduced to the concept of symmetry by examining different shapes and folding them into equal halves. They work in small groups focusing on finding the lines of symmetry of one specific shape. A symmetry booklet is made by...
Curated OER
Elegant Universe, The: Einstein's Dream
Students visualize a universe with fewer than three spatial dimensions. They consider how more than three spatial dimensions could exist in the universe.
Curated OER
Married Math
Students participate in a two-week real-life math unit. In pairs, they calculate salaries, taxes, and a budget, plan a vacation, buy insurance, make a will, and design a room. They conduct Internet research to plan the vacation, and...
Curated OER
Geometry and Spatial Sense
Students investigate geometric shapes in 2 and 3 dimensions. In this geometry lesson, students create a model chocolate factory working in groups and using an actual cake. Students take a quiz about measurement equations dealing with...
Curated OER
Conics in Geometry
High schoolers analyze characteristics and properties of two and three-dimensional shapes in this geometry lesson plan. They follow detailed directions to use the Cabri Geometry II Application on their TI-89 calculator to construct a...
Curated OER
Triangles
Fourth graders participate in three experiments to gain understanding of triangles. In this triangles instructional activity, 4th graders use pipe cleaners to create bubble pipes, basketball hoops and bingo cards to display the...
Curated OER
Investigating Lengths of Segments in a Triangle
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
Curated OER
Exploring the Circumcenter of a Triangle
High schoolers construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson plan, students construct a triangle using Cabri Jr. High schoolers draw perpendicular bisectors of the sides of the...
Curated OER
CD Snowman
Students design and produce snowmen. In this winter lesson, students use CD's to create 3 dimensional snowmen. Students discuss the senses of sight and touch as well as compare their craft snowmen to a real snowman.
Curated OER
Vasarely Was A Colorful Fellow
Eighth graders create artwork inspired by the work of Victor Vasarely. In this op art lesson, 8th graders explore color theory and color mixing. Students create ten shapes to use in their artwork and over the course of two weeks,...
Curated OER
Magnetic Field Activities
Students explore the idea of magnetic field through investigations of magnetic fields as produced by various common magnetic materials and direct currents. They study the vector nature of fields, the ubiquity of field sources in the...
Curated OER
The Art of Illustrator Eric Carle
First graders use two-dimensional and three-dimensional media and techniques to communicate ideas, experiences, and stories in works of art. They use media and tools in a safe and responsible manner
Curated OER
SHAPE UP
Third graders use the computer to draw and compare the attributes of two and three dimensional shapes.
Curated OER
No Edge, No Center -- Exploring the Shape of Our Universe
Students examine various "spaces" (including ones that are one-dimensional, two-dimensional, and three-dimensional). For each space, they will examine what it means to have or not have an edge, or to be finite or infinite.
Curated OER
3D Houses
Learners construct 3-dimensional structures from 2-dimensional paper. They design and compile their structures to resemble a neighborhood community.
Curated OER
Cubes Everywhere
Students use cubes to construct and visualize two-and three-dimensional shapes to develop spatial thinking and review basic geometric principles through real-life applications. They are given the opportunity to build and build and take...
Curated OER
Ship Shape
Third graders experiment with, identify, and follow teacher-directed instruction toward understanding two-dimensional geometric shapes found within the environment. Groups of students utilize geoboards to help them explain geometric shapes.
Curated OER
Visual Elements in the Giant Kites of Guatemala: Shape, Rhythm, and Color
Students view pictures of and discuss geometric shapes included in kites from Guatemala. They discuss the repetition of shapes and how that creates a motif. Students draw three concentric arches across their paper. They create a design...
Curated OER
Volumes in 3-D
In this geometry activity, 11th graders calculate the volume of there dimensional shapes using the formula for cylinders. They are given the height and the base and asked to calculate the volume. There are 4 problems.
Curated OER
Task: Grain Storage
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, learners need to determine...
Hawaiʻi State Department of Education
Dimension Dances
Use dance to help learners conceptualize line segments, rays, lines, and planes. They choreograph dances that show dimensional space. Dancers start by pondering space, point, and lines as the teacher draws them in the air. Each movement...
Curated OER
Net of a figure
In this 3D figure learning exercise, students observe the net of a 3D figure where you open up the figure and tell if it is an accurate representation of that figure. Students complete this for 3 figures.