Curated OER
Traditional Mexican Paper Cutting
Students examine the art form of Mexican paper cutting and discover how to make a pattern. After reading the book "Look What Came From Mexico", they discuss Mexican folk art and view some samples. Individually they create a Mexican...
Curated OER
City Streets: A Fold-up of a Street Lined with Buildings
After walking in a nearby neighborhood, have your class create this amazing city street pop-up. They study the facades of the buildings they see, focusing on geometric line, shape, and architecture. They then draw, cut, and create a city...
Curated OER
Terrific Tessellations
Young scholars create to pieces of artwork using two primary colors and tessellation techniques. This is an excellent lesson that can be accomplished using standard art techniques or educational software such as Adobe Photoshop or...
Curated OER
ABC and 1-2-3 Farming
Students demonstrate how to alphabetize animal names. In this word study lesson, students identify animals that live on the farm and conduct a favorite farm animal survey. Students order animal pictures in alphabetical order.
Curated OER
Playground Mapping
Students convert their physical models of a playground from a previous lesson into a map of the playground that includes a scale and key. They examine and discuss examples of maps, view an image to map photo essay, and create a map using...
Curated OER
Dancing Pumpkin Man
Students listen carefully and put pieces together following the teacher's instructions. They point to the different shapes and sizes as they are being called out and count the number of items they have in front of them. They decorate...
Curated OER
Build a Weather Vane
Third graders measure wind direction. In this weather lesson, 3rd graders build a weather vane from a straw, skewer, spool, and flag. Students measure wind direction using their weather vane.
Curated OER
A House for Me- Ocean Environments
Students explore ocean environments. In this ocean environment lesson, students identify the things ocean animals need for survival. Students use KWL charts and search the Internet collecting information about ocean habitats....
Curated OER
Running Colors
Students play a game with mats of different shapes and colors spread out over a playing area. As a shape and color is called out students run the the corresponding mat and stand on it.
Curated OER
Big Fleas Have Little Fleas!
Students study seamounts and learn the importance of structures to species. In this ocean explorer lesson, students participate in an activity that teaches them how to modify a seamount so that they are more suitable for species.
Curated OER
A Dreamer's Cloak
Students listen to the teacher read "A Dreamer's Cloak." They examine the difference between squares and circles and create their own cloak by using a paper bag and different shapes.
Curated OER
Parachutes: Is it Surface Area or Shape?
Students investigate how to make a good parachute. In this physics lesson, students observe the motion of parachutes as it falls and measure the time. They collect data and calculate the average descent time for each canopy shape.
Curated OER
Playground Mapping
Students review their physical models of the objects on their playground at school. Using the model, they convert it into a map with a scale and key. To end the lesson plan, they use the map to locate different objects and measure the...
National Council of Teachers of Mathematics
The Math Forum: Triangle Formulas
Investigate the geometric definitions of triangles, focusing upon equilateral, isosceles, right, and scalene with detailed drawings and appropriate formulas for each. This site has links to more information on triangles.
Math Is Fun
Math Is Fun: Constructing a Triangle With 3 Known Sides
Students learn how to construct a triangle with three known sides using a straightedge and a compass. Includes an animated demonstration.
Math Drills
Math Drills: Geometry Worksheets
Download these worksheets to sharpen your geometry skills. Sheets focus on angles, coordinate geometry, triangles, quadrilaterals, transformations, and three-dimensional geometry, and more.
Homeschool Math
Homeschool Math: Triangles
This lesson plan provides students with an opportunity to practice drawing and measuring triangles and angles. It also shows pictures and gives definitions of each type of angle and triangle.
Khan Academy
Khan Academy: Constructing Triangles
Given the lengths of two sides of a triangle, what can we say about the third side? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Constructing Triangles
Practice constructing triangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Annenberg Foundation
Annenberg Learner: Constructing Triangles
Use a "linkage strip" to build triangles with different side lengths. When you build a triangle, see if you can deform it into a different triangle while keeping the side lengths the same.
PBS
Pbs Learning Media: Constructing Triangles
This interactive exercise focuses on the appearance and manipulation of triangles.