Whiteboard
ClassFlow

Class Flow: Two Dimensional Shapes Identify and Match

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This flipchart helps students to analyze and compare various two-dimensional shapes according to the vertices, sides and parallel lines. It features "containers" created in Version 3 (can be used with...
Unit Plan
Cuemath

Cuemath: Cone

For Students 9th - 10th Standards
Learn all about the basic properties of a cone. This lesson targets the formula, volume, parts, and shapes of a cone and has interesting solved examples and practice questions.
Unit Plan
Cuemath

Cuemath: Cylinder

For Students 9th - 10th
Mini-lesson takes a look at the definition and shape of a cylinder, cylinder formula, cylinder volume, and cylinder surface area. Try your hand at the cylinder surface area calculator and interactive questions for better understanding.
Lesson Plan
University of Texas at Austin

Mathematics Teks Toolkit: Exploring C/d= Pie

For Teachers 3rd - 8th Standards
A collection of circular objects will be used to explore circumference and diameter of circles.
Activity
University of Cambridge

University of Cambridge: Maths and Sports: Sports Equipment

For Students K - 1st Standards
Sports such as hockey, football, basketball and tennis use balls of different sizes. Can you arrange a selection of different balls in a line each touching the next to make the shortest line? This activity offers opportunities for...
Lesson Plan
Alabama Learning Exchange

Alex: Geometric Quilts

For Teachers 9th - 10th
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...
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Surface Area, Volume, and Nets

For Students 5th - 8th Standards
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,...
Activity
Ministerio de Educacion, Cultura y Deporte (Spain)

Cnice: Relacion De Ejercicios Interactivos.

For Students 9th - 10th
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,...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg Ice Cream Cone

For Teachers 9th - 10th Standards
You have been hired by the owner of a local ice cream parlor to assist in his company's new venture. The company will soon sell its ice cream cones in the freezer section of local grocery stores. The manufacturing process requires that...
Lesson Plan
Better Lesson

Better Lesson: Circes All Around!

For Teachers K Standards
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 kindergartners learn about the attributes of a circle.
Interactive
Quia

Quia: Geometric Terms Concentration

For Students 3rd - 8th
Do you need practice remembering or learning different geometry vocabulary words and definitions? This concentration game is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if...
Interactive
Calculator Soup

Calculator Soup: Circular Cylinder Calculator

For Students 9th - 10th
This online calculator will calculate the various properties of a cylinder given 2 known values. It will also calculate those properties in terms of PI.
Lesson Plan
PBS

Pbs Mathline: Bubble Mania Lesson Plan [Pdf]

For Teachers 3rd - 8th
Determine the area, diameter, and circumerfence of a bubble residue by creating a soap solution and blowing bubbles.
Handout
Purple Math

Purplemath: Geometry Word Problems: Introduction

For Students 9th - 10th Standards
Introduces how to set up and solve simple geometric-figure word problems. Includes advice regarding formulas to memorize.
Interactive
Calculator Soup

Calculator Soup: Cone Calculator

For Students 9th - 10th
This online calculator will calculate the various properties of a right circular cone given any 2 known variables.
Interactive
Calculator Soup

Calculator Soup: Stadium Calculator

For Students 9th - 10th
Use this calculator to calculate physical values related to the shape of a stadium.
Lesson Plan
Alabama Learning Exchange

Alex: Discovering Pi

For Teachers 6th - 8th
This instructional activity allows learners to discover the number Pi. By measuring real life objects, students will get to see where the number Pi comes from as well as how the circumference formula is derived.This lesson plan was...
Interactive
Quia

Quia: Geometric Terms Word Search

For Students 3rd - 8th
Do you need practice remembering or learning different geometry vocabulary words and definitions? This word search is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...
Interactive
Quia

Quia: Geometric Terms Games

For Students 3rd - 8th Standards
Four different games are featured to practice geometry terms.
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Khan Academy

Khan Academy: Quiz: Inscribed Quadrilaterals

For Students 9th - 10th Standards
Use the fact that opposite angles in an inscribed quadrilateral are supplementary to solve a few problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Calculator Soup

Calculator Soup: Volume Calculator

For Students 9th - 10th
Use this online calculator to calculate the volume of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, and spherical cap.
Interactive
Calculator Soup

Calculator Soup: Surface Area Calculator

For Students 9th - 10th
Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism
Interactive
Calculator Soup

Calculator Soup: Conical Frustum Calculator

For Students 9th - 10th
This online calculator will calculate the various properties of a conical frustum given the 2 radii and any 1 other known variable.
Handout
The Math League

The Math League: Figures and Polygons

For Students 9th - 10th Standards
This site provides definitions of different types of polygons and figures.