Texas Instruments
Investigating Segments in a Quadrilateral
Investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral. In this properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral lesson, students use...
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
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...
Teach Engineering
Connect the Dots: Isometric Drawing and Coded Plans
Individuals discover how to draw cubes on triangle-dot paper. They use cubes to build structures and draw corresponding isometric drawings on dot paper in the second lesson of the series of five. The activity also introduces the concept...
Partnership for Educating Colorado Students
Mayan Mathematics and Architecture
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
Curated OER
Architectural Letters
Have your class construct their own architectural letter. This art project focuses on architecture, or the art of building. You can connect this activity to a biography activity. Your class can decorate their initial to reflect their...
Curated OER
Facial Symmetry
Learners study facial symmetry. They explore lines of symmetry, and create illustrations with multiple lines of symmetry.
National Gallery of Canada
My Scene
Acquaint your class with line, color, shape, and texture through a study of artwork and an art activity. The resource includes images and information to share with your class before sending individuals off to sketch and paint landscapes...
Curated OER
Geo Jammin' By DeSign - Day 3, Lesson 16: The ABC of Symmetry
Students follow directions in the ABC of Symmetry to make a butterfly which shows a line of symmetry.
Curated OER
Geo Jammin' By DeSign - Day 3, Lesson 15: The Quiltmaker's Gift
Students listen to a read aloud of The Quiltmaker's Gift by Jeff Brumbeau finding examples of symmetry in the illustrations in the book.
Curated OER
Geo Jammin' - Day 1, Lesson 3: Math Moments on My Mind
Second graders write a Math Moments journal.
Curated OER
Geometry Shapes Playground Safety
Students create a new playground design to present to elementary students during Playground safety week. They review basic geometry to use in observing and recording the equipment on a local playground. They research playground safety...
Curated OER
Geometry Worksheet #13
In this geometry worksheet #13 worksheet, 10th graders work in groups to solve 6 geometry problems, involving measurement of angles.
Curated OER
Our Tangible World is Full of Dimensions
Sixth graders explore characteristics of two and three-dimensional figures. They observe the teacher demonstrate the faces, edges, vertices and names of specific figures. In groups, 6th graders examine and describe given figures. ...
Curated OER
Creating Space
Students use simple lines and shapes to draw objects, figures, or animals.They explore the process of printmaking and making multiples, use repetition of simple shapes to create complex images, and inquire about a contemporary artist's...
Curated OER
Sort It Out and Match It Up
Students identify objects that are the same shape and size. They compare and contrast attributes of two-and three-dimensional objects using appropriate vocabulary. Pupils justify an extension of a geometric pattern to explain what was...
Curated OER
Sneaky Peeky Symmetry Book
Pupils examine lines of symmetry with different shapes. Then students create their own books of symmetry with different two-dimensional shapes on each page.
Curated OER
Construct Figures to Find Specific Volume
Sixth graders use number cubes to explore volume of two-dimensional shapes. They roll a die and construct a shape using the numbers rolled as measurements of the sides. They estimate the volume of a given object, and then use the...
Curated OER
Picture This
Fourth graders use two-dimensional and three-dimensional media, techniques, tools, and processes to communicate an idea or concept based on research, environment, personal experience, observation, or imagination.
Curated OER
Area graphics for 7th graders
Students randomly select dimensions for three geometric shapes (square, right triangle and circle). From the graphs they compare and contrast the graphical results of each shape.
Curated OER
Papier-Mache Mask
Students analyze mask visuals provided by the teacher. They experience a paper-mache hands on activity that produces a three dimensional product. Students produce/make a mask.
Curated OER
Powerful Polygons
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Curated OER
The Fun Art of Pasta!
Interesting shapes make noodles and other pasta a creative medium for children’s art
Curated OER
Geometry and Quilting
Students create a quilt square for a class quilt using at least three, two-dimensional geometric figures. They research and write a brief description of at least two different quilt patterns that they find. Pupils discuss that quilts are...