Geometry Help
Geometry Help: Area of Geometric Shapes
Explains the basic concept of the area of geometric shapes with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Texas Instruments
Texas Instruments: Exploring Area
In this activity, students learn to calculate the area of geometric shapes. They solve real world problems involving area.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Surface Area, Volume, and Nets
Investigate the concepts of area, volume, 3D shapes, and nets using this interactive Learn Alberta math. The solid shapes focused on this exploration include rectangular and triangular prisms, rectangular and triangular pyramids,...
Texas Instruments
Texas Instruments: Give Me a Hand or Leaf Me Alone
In this activity, students' find the surface area of geometric shapes cut from card paper and relate it to its mass. They use this data to find the surface area of irregularly shaped objects.
George Mason University
Area Formula Lab
In this set of worksheet activities, students will be guided to discover formulas for area of polygonal shapes and circles.
Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
A lesson focusing on the area of polygons and the circumference of circles. Engaging, interactive practice worksheet, lesson plan, and related classroom activity complete this lesson.
Annenberg Foundation
Annenberg Learner: Geometry 3 D Shapes
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.
Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
Better Lesson
Better Lesson: Filling in the Middle
Students use both area and perimeter to work with geometric shapes.
PBS
Pbs Kids: Odd Squad: Games: Creature Duty
Learn color differences and shapes as you feed the creatures in this game.
National Council of Teachers of Mathematics
The Math Forum: Building a Pyramid
This Math Forum lesson gives instructions on how to build a paper pyramid. Bonuses included finding the surface area and volume of the pyramid.
PBS
Pbs Parents: Early Math
Help nurture the development of early math skills -- from infant to grade 2. Site provide information about math literacy and developmental stages. For each age range, you will find several online games and printable activities for core...
That Quiz
That Quiz: Practice Test: Geometry
This resource allows users to test their geometry knowledge.
abcteach
Abcteach: Geometry
[Free Registration/Login Required] This resource has an assortment of teacher-created geometry activities for elementary and primary learners. Printable two-dimensional shapes, area and perimeter worksheets, board games, rules and...
Texas Instruments
Texas Instruments: What Goes Around Comes Around but Can You Measure It?
In this activity, students find the area and the perimeter for several geometric shapes. They also determine the surface area and volume of spheres.
Physics Aviary
Physics Aviary: Geometry Review Self Test
Students must show that they can calculate basic distances, areas and volumes for simple geometric shapes.
National Council of Teachers of Mathematics
Nctm: Figure This: Windshield Wipers
Test your mathematical aptitude with challenge exploring the concepts of measurement and geometry. Find the area of the windshield wipers to figure out who sees better in the rain, car drivers or truck drivers. An activity from the NCTM...
University of Cambridge
University of Cambridge: Nrich: Green Cube, Yellow Cube
Think about the surface area of a cube. At this one page website, you use that information to complete the challenge. Solutions are offered right at the website.
ClassFlow
Class Flow: Area Flash Cards
[Free Registration/Login Required] This flipchart identifies student's prior knowledge of different shapes and their area by using flash cards. This lesson was intended for grade level 6-8 or lower. A quick warm-up as you launch into...
Alabama Learning Exchange
Alex: Geometric Quilts
Young scholars will use a square to investigate other polygonal shapes that can be formed. Students will work with these polygons to make designs that will later constitute cooperatively designed quilts. The quilts will be made by...
Ministerio de Educacion, Cultura y Deporte (Spain)
Cnice: Relacion De Ejercicios Interactivos.
In Spanish. Interactive activities online on various geometric and trigonometric concepts such as area, perimeter, secants, tangents, etc. A terrific resource for students. Site is organized acoording to shape. (triangle, quadrilaterals,...
abcteach
Abcteach: Math Posters
[Free Registration/Login Required] Most of the posters on this site are colorful math posters for primary or elementary school. However, there is one math poster that could be used in secondary school geometry class that has the formulas...
ClassFlow
Class Flow: Solids
[Free Registration/Login Required] In this flip chart, students apply geometric sense by using the properties of two-dimensional and three-dimensional shapes to solve mathematical problems involving area and volume.
ClassFlow
Class Flow: Polygon Review
[Free Registration/Login Required] This flipchart provides a review of polygons and formulas for calculating perimeter and area in the form of assessment questions.