National Council of Teachers of Mathematics
Nctm: Illuminations: Making Triangles
Understand the mathematical meaning of a triangle and the idea of congruence, or sameness, in geometry.
Better Lesson
Better Lesson: Remarkable Rectangles
Rectangle is SO MUCH like triangle! Those darned angles--they'll get beginning learners! This is a fun way to practice rectangle!
Better Lesson
Better Lesson: Don't Be Such a Square, Be a Cube Instead!
Kindergarteners love to identify shapes in their environment. In order effectively do that, they must be able to recognize different shapes by their specific attributes. In this lesson plan kindergartners learn about the attributes of a...
Better Lesson
Better Lesson: Rockin' Rhombuses!
Rhombus, the mathematically correct term for "diamond" is the focus of this interactive lesson plan.
Better Lesson
Better Lesson: Shape Monsters!
Kindergartners love making things, and this activity allows them to create a unique shape monster and practice numbers recording the shapes used.
PBS
Pbs Learning Media: Constructing Triangles
This interactive exercise focuses on the appearance and manipulation of triangles.
PBS
Pbs: Count on It!: Blossom and Snappy Go to the Post Office
Blossom and Snappy help Digit mail a surprise package to Robbie. They visit the post office and postal processing plant to see how it all works.
PBS
Pbs Learning Media: Math + Arts: Shapes Into Sculptures
In this instructional activity, students will identify 2- and 3-dimensional shapes as well as create shape drawings and sculptures. Teacher materials are available.
PBS
Pbs Learning Media: Shapes: Peg + Cat
We are learning about how shape attributes helps us to see how shapes are alike and different. This site provides four resources for shapes including 3-D.
PBS
Pbs Learning Media: Math + Arts: Shape Mobile
For this lesson, students will create a shape mobile of 2-dimensional and 3-dimensional shapes made from geometric shapes.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Two Dimensional and Three Dimensional Shapes
A guide to support parents as they work with their students with two-dimensional and three-dimensional shapes.
E-learning for Kids
E Learning for Kids: Math: Living in the Mill: 3 D Objects
On this interactive website student practice various math skills using a real life scenario at an ice cream party. Those skills include naming and identifying spheres, cones and cylinders.
Other
Nearpod: Three Dimensional Shapes
In this lesson, students will learn to identify three-dimensional shapes by name and distinguish between two-dimensional and three-dimensional shapes.
NumberNut
Number Nut: Shapes, Symbols, and Colors: Grouping
Find out how grouping is used in addition, multiplication and division. Then practice set recognition playing the two interactive games.
Math Cats
Math Cats: Visit Tessellation Town on Tile Island!
Go to Tessellation Town on Tile Island and create a variety of tessellations.
Rice University
Rice University: Cynthia Lanius: No Matter What Shape Your Fractions Are In
Four basic geometric shapes - the triangle, parallelogram, trapezoid, and hexagon - are examined to determine how many of one shape fits "inside" another. For instance, how many triangles are "in" a hexagon. Ten questions with solutions...
Math Is Fun
Math Is Fun: Pattern Match: Shapes
Young learners will have fun and practice shape recognition as they select correct shapes in order to complete simple patterns. Choose from four levels (easy, basic, hard, tough) and work against a timer to earn points.
Other
Mathematics Internet Library: Free Internet Books
Practice problem worksheets are available for students needing to study basic terms relating to triangles and other math concepts.
NC State University
The Engineering Place: Shapes
A lesson in creating 3-D solids using toothpicks and marshmallows.
Other
Bright Productions Web Designs: Shape Game
You will enjoy this shape game. It tells you the name of a shape and all you have to do is click on the correct shape. If you get confused you can have another try.
TVOntario
Tvo Kids: Sandy Math Shapes
Build the castles that the waves have crashed down by putting shapes in the right spot. Games focuses on geometry and spatial sense.
Quia
Ixl Learning: Identify Shapes I
This interactive media source asks students to determine which picture shape matches the name of the shape that is displayed in each question.
ClassFlow
Class Flow: Shapes
[Free Registration/Login Required] This flipchart is designed for an early childhood classroom and focuses on circles, squares, rectangles, and triangles. Opportunities provided for student participation include drawing plane shapes,...