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.
PBS
Pbs Learning Media: Molecular Shapes
In this interactive activity from ChemThink, students will learn about covalent molecules and how the VSEPR theory predicts the shapes of covalently-bonded molecules.
PBS
Pbs Kids Afterschool Adventure!: Operation: Shape Hunt Activity Plan
Calling all Shape Detectives! In this weeklong adventure, the children will explore and search for basic shapes as they go on a shape hunt. They will describe, match, sort and compose a variety of two-dimensional shapes, and create a...
University of Texas
Inside Mathematics: Which Shape [Pdf]
This task challenges a student to use knowledge of geometrical attributes to identify and describe shapes.
Science Buddies
Science Buddies: M&m Geometry
Geometry is the study of how to use math to describe and investigate different points, lines and shapes. The way that a shape is described in geometry is with a formula, which is simply a mathematical way to calculate different...
PBS
Pbs Kids Afterschool Adventure!: Operation: Shape It Up Activity Plan
Get your spy glasses ready! In this weeklong adventure, children will explore shapes and their attributes and use this knowledge to decode a secret message. Children will learn about two-dimensional (flat) and three-dimensional (solid)...
Mathigon
Mathigon: Euclidean Geometry: Introduction
Mathematicians in ancient Greece were amazed by mathematical patterns, and wanted to explore and explain them. They began to study mathematics just "for fun" without a specific application in mind. One of these mathematicians, Thales of...
Towson University
Towson University: Shapes of Molecules
This chemistry class printout details the main points of molecular geometry and explains bond hybridization and bond angles.
Mathigon
Mathigon: Geometry: Polygons and Polyhedra: Polygons
This lesson focuses on polygons; a polygon is a closed, flat shape that has only straight sides. Polygons can have any number of sides and angles, but the sides cannot be curved.
CK-12 Foundation
Ck 12: Interactive Geometry: 5.5 Geometry Software for Constructions
Use interactive geometry software to construct an equilateral triangle that maintains its shape even if you move its vertices.
CK-12 Foundation
Ck 12: Interactive Geometry: 2.5 Geometry Software for Reflections
See how geometry software expresses geometric shape reflections.
Science Struck
Science Struck: A Comprehensive Printable List of Geometry Formulas
Provides a list of area and perimeter formulas for two-dimensional shapes and volume and surface area formulas for three-dimensional solids.
Better Lesson
Better Lesson: Making New Shapes With Shapes
My first graders have been studying the defining attributes of 2D shapes. They are going to love using toothpicks and marshmallows to present their knowledge of 2D and create 3D shapes.
Better Lesson
Better Lesson: Identifying Plane Shapes
First graders begin to learn about plane shapes in Kindergarten. This lesson will serve as review of plane shapes' characteristics and extend into practice in categorizing shapes by defining attributes.
Better Lesson
Better Lesson: Building With Shapes
I love blending art and math. I want my students to develop a depth of knowledge for 2D plane shapes and distinguish polygon from non-polygon shapes.
CK-12 Foundation
Ck 12: Interactive Geometry: 2.6 Reflection Symmetry
Explore reflection symmetry in some different shapes.
Khan Academy
Khan Academy: Challenge Problems: Circumscribing Shapes
Solve two challenging problems that apply properties of tangents to find the perimeter of a circumscribing shape.
CK-12 Foundation
Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
CK-12 Foundation
Ck 12: Interactive Geometry: 2.7 Rotations
Understand the rigid transformation of a rotation.
Mathigon
Mathigon: Geometry: Circle and Pi: Conic Sections
The circle is one of four different shapes which can be created using "slices" through a cone, a 3-dimensional solid that has a circular base joined to a single point (called the vertex) by a curved side. If you tilt a cone, you get an...
University of Texas
Inside Mathematics: Quilt Making [Pdf]
This task challenges a student to demonstrate understanding of the concept of two dimensional shapes and their properties.
Other
Kinderweb: Educational Children's Games
Use this site to practice identifying shapes, colors, and animals with these interactive games.
CK-12 Foundation
Ck 12: Geometry: Rotations
[Free Registration/Login may be required to access all resource tools.] This concept introduces geometric rotations.
National Council of Teachers of Mathematics
Nctm: Illuminations: Geometric Solids
An interactive game to find number of edges, surfaces and vertices of different geometric shapes.
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