+
Activity
Annenberg Foundation

Annenberg Learner: Geometry 3 D Shapes

For Students 6th - 8th Standards
Learn about several three-dimensional geometric shapes and the terminology used to describe them. Learn how to calculate their surface area and volume, and explore their mathematical properties.
+
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Geometric Solids

For Students 9th - 10th Standards
The instructional tool explores various geometric solids and their properties. Student can manipulate and color the different shapes. Learners examine the edges, faces, and vertices of the different solid figures.
+
Handout
Math Is Fun

Math Is Fun: Area of Triangles Without Right Angles

For Students 9th - 10th Standards
Learn how to find the area of triangles without right angles. Find the formula to use depending on the information you know about the triangle: base and height, three sides, or two sides and an angle.
+
Unit Plan
Analyze Math

Analyze Math: Geometry Problems on Squares

For Students 9th - 10th Standards
The geometry tutorial investigates word problems on squares with detailed solutions. Topics included are perimeter and area of a square.
+
Graphic
The Math League

The Math League: Surface Area

For Students 9th - 10th Standards
This tutorial explains the concept of surface area, and then goes through multiple shapes offering the specific surface area formula for each one.
+
Handout
Wolfram Research

Wolfram Math World: Surface Area

For Students 9th - 10th Standards
A good site explaining surface area. Scroll down the page for quick references to surface area formulas for fundamental geometric objects. The site has links to related topics.
+
Interactive
SEN Teacher

Sen Teacher: Nets

For Teachers Pre-K - 1st Standards
Generate different "nets" for paper construction of common three-dimensional shapes: cube, cuboid, pyramid, cone, tetrahedron, cylinder, octahedron, rhombic prism, dodecahedron, pentagonal prism, and pentagonal prism.
+
Handout
Science Struck

Science Struck: List of Different Types of Geometric Shapes

For Students 4th - 8th Standards
A comprehensive list of 2D shapes and 3D solids with everything from a triangle to a dodecahedron. Includes illustrations and short descriptions of attributes for each.
+
Handout
Science Struck

Science Struck: A Comprehensive Printable List of Geometry Formulas

For Students 9th - 10th Standards
Provides a list of area and perimeter formulas for two-dimensional shapes and volume and surface area formulas for three-dimensional solids.
+
Unit Plan
Khan Academy

Khan Academy: Volume and Surface Area Word Problems

For Students 7th Standards
Practice finding volume and surface area in these word problems.
+
Unit Plan
Khan Academy

Khan Academy: Shaded Areas

For Students 7th Standards
Practice finding the area of shaded figures.
+
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Geometric Solids

For Students 9th - 10th Standards
An interactive game to find number of edges, surfaces and vertices of different geometric shapes.
+
Lesson Plan
Better Lesson

Better Lesson: Covering and Filling: Surface Area & Volume of Rectangular Prisms

For Teachers 6th - 7th Standards
Students apply their knowledge of surface area and volume to solve some problems for a box company. This lesson plan contains a detailed lesson plan, video explanations, rubrics, group work guidelines, slides containing problems, and...
+
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Area of Trapezoids

For Students 9th - 10th Standards
Investigate how changes in the base and height of a trapezoid affect its area.
+
Handout
Geometry Help

Geometry Help: Quadrangles

For Students 9th - 10th Standards
Explains the basic concept of quadrangles (quadrilaterals} with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
+
Handout
Quia

Ixl Learning: What Is Surface Area?

For Students 6th - 7th Standards
Brush up on your math skills relating to surface area then try some practice problems to test your understanding.
+
Handout
Quia

Ixl Learning: Area of Trapezoids

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of trapezoids then try some practice problems to test your understanding.
+
Handout
Quia

Ixl Learning: Area of Parallelograms

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of parallelograms then try some practice problems to test your understanding.
+
Handout
Quia

Ixl Learning: Area of Rhombuses

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of rhombuses then try some practice problems to test your understanding.
+
Handout
Quia

Ixl Learning: Area of Triangles

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of triangles then try some practice problems to test your understanding.
+
Activity
NumberNut

Number Nut: Shapes, Symbols, and Colors: 3 D Shapes

For Students 3rd - 8th Standards
This lesson describes three dimensional shapes and provides two interactive practice activities.
+
Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Volume: Geometry Practice Solving Volumes

For Students 6th - 8th Standards
Students solve for the volume of three-dimensional figures such as cubes, prisms, and cylinders with these interactive flashcards.
+
Activity
Other

Polyhedra: The Five Platonic Solids

For Students 9th - 10th Standards
A brief site that includes some activities to understand the figures.
+
Handout
Learning Wave Communications

Learning Wave: Geometry, Section 2

For Students 9th - 10th Standards
Geometry concepts are briefly discussed at this site, including volume of a cylinder, parallelograms, circles, trapezoids, and triangles. Sample problems and applications are included for practice.