Curated OER
Quadrilaterals and Other Polygons
In this polygon worksheet, 5th graders name 6 polygons, tell if each one is a regular polygon or not and tell if it is a special quadrilateral.
Curated OER
More on Tessellations
In this tessellations worksheet, 10th graders solve 3 different word problems that include creating various tessellations. First, they group pentagons around a vertex so the angles add up to 360 and determine whether the pentagons can...
Curated OER
Tessellations
In this tessellations worksheet, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...
Curated OER
Geometry Involving Figures - Week 12 (Ratio and Surface Area)
In this ratio and surface area learning exercise, students find the ratio of surface area of one figure to another. They determine the length of sides and angles through similar figures. Students use trigonometric ratios to find the...
Curated OER
Geometry w/o Figures - Week 7 (Basic Geometry Formulas)
In this basic geometry worksheet, students use basic formulas of geometry to find the area of a polygons, the number of sides of a polygon, and sum of the angles of various polygons. This three-page worksheet contains eight problems.
Curated OER
Area of Triangles
In this math learning exercise, students draw two triangles and one pentagon. Then they use the correct formula to calculate the area for each.
Curated OER
What Happened on 9/11 ?
Students discuss what they know of the events on September 11, 2001. They read the book September 11, 2001: A Simple Account for Children by Nancy Poffenberger and Vall Gottesman. They discuss how the events of that day makes them feel.
Curated OER
"School Shape Scavenger Hunt"
Students, in groups, venture onto the schoolground on a scavenger hunt for shapes. They are given tasks: recorder, team leader, presenter, reporter, and behavior guidelines and a time limit. They search the school for shapes found in...
Curated OER
Polygon Mobiles
Students explore a variety of shapes and angles and create mobiles with information about a selected polygon. Both common and "not-so common" polygons are examined.
Curated OER
Creating Tessellations
In this creating tessellations worksheet, 10th graders solve 2 word problems that include creating various tessellations. First, they explore the various techniques used to form tessellations, including triangles, quadrilaterals,...
Curated OER
Counting Shapes
In this mathematics worksheet, students identify various shapes. Then they circle the correct number of shapes illustrated in each box. There are 10 problems to solve on the sheet.
Curated OER
Compare Groups
In this mathematics worksheet, students identify various types of shapes shown. Then they circle the group with the most shapes. There are 8 problems to solve on the sheet.
Curated OER
Graph Groups
In this mathematics instructional activity, students solve a number of problems by counting each shape and graphing the amount to the right in height. Then they circle the shape that appears the most often on the sheet.
Curated OER
Which One Does Not Belong?
In this mathematics worksheet, students circle the shape in each group that is different. there are six different groups to identify on the sheet.
Curated OER
Exercise 23--the Regular Pentagon on a Given Side
Middle schoolers examine and study how to recognize the characteristics of a regular pentagon and demonstrate how to construct one. They become aware of associating a regular pentagon to its term of a double map and practice the concept...
Digital History
Digital History: September 11, 2001
This site has a comprehensive overview of the September 11, 2001 attacks on the U.S., including information on Osama bin Laden's background, the formation of Al Qaeda, the attacks themselves, the US response, civil liberties and national...
PBS
Pbs Learning Media: Triangles
In this video segment [2:01] from Cyberchase, the CyberSquad finds that by arranging triangle tiles they are able to create a path that will allow them to cross a river of hot lava.
Beacon Learning Center
Beacon Learning Center: The Facts Please, Mr. Mumble
This interactive web lesson teaches students about two-dimensional shape attributes.
Maths Challenge
Maths challenge.net: Pentagon Star
An area problem using your knowledge about pentagons.
PBS
Online News Hour: September 11, 2001
Comprehensive web page that offers a plethora of outstanding resources for one who is studying the 9/11 terrorist attacks.
Council of Foreign Relations
Terrorism Questions and Answers: What Is Terrorism?
Part of an extensive website from the Council on Foreign Relations devoted to understanding all aspects of terrorism and its implications for the United States, this section deals with defining and understanding the different types of...
That Quiz
That Quiz: Math: Shapes Quiz
Given a shape, students select from four options the name of the shape. These include more than the basic shapes, such as hexagon, pentagon, parallelogram, and rhombus.
That Quiz
That Quiz: Practice Test: Shapes
This resource provides a practice geometry quiz for students to use.
Library of Congress
Loc: September 11th Documentary Project
A site that captures the heartfelt reactions, eyewitness accounts, and diverse opinions of Americans and others in the months that followed the terrorist attacks on the World Trade Center, the Pentagon, and United Airlines Flight 93.