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Using a Coordinate Grid
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In this Cyberchase video segment, the CyberSquad must locate each other using ...

In this Cyberchase video segment, the CyberSquad must locate each other using a mapŒë_í_Œ_ grid to construct a coordinate system using letters and numbers. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

Subject:
Mathematics
Geometry
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Teachers' Domain
Author:
U.S. Department of Education
WNET
Arrangement 2
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In this video segment from Cyberchase, Matt tries for a second time ...

In this video segment from Cyberchase, Matt tries for a second time to arrange tables and chairs to accommodate 20 workers. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

Subject:
Mathematics
Algebra
Functions
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Teachers' Domain
Author:
U.S. Department of Education
WNET
Arrangement 3
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MattŒë_í_Œ_ third table arrangement helps fit all 20 workers at five tables ...

MattŒë_í_Œ_ third table arrangement helps fit all 20 workers at five tables in this video segment from Cyberchase. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

Subject:
Mathematics
Algebra
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Teachers' Domain
Author:
U.S. Department of Education
WNET
Finding the center of a circle (with compass and straightedge)
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An interactive applet and associated web page that provide step-by-step instructions on ...

An interactive applet and associated web page that provide step-by-step instructions on how to find the center of a circle using only a compass and straightedge. The method used involves constructing the perpendicular bisectors of two random chords. The bisectors intersect at the center of the circle. The animation can be run either continuously like a video, or single stepped to allow classroom discussion and thought between steps. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

Subject:
Geometry
Material Type:
Reading
Simulation
Provider:
Math Open Reference
Provider Set:
Math Open Reference
Author:
John Page
Angle bisector
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An interactive applet and associated web page that demonstrate the bisector of ...

An interactive applet and associated web page that demonstrate the bisector of an angle. An angle is shown using two line segments that can be dragged to change the angle measure. The angle is bisected by a line which moves while dragging to always divide the angle into two equal angles. The angle measures can be turned off for class discussions. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

Subject:
Geometry
Material Type:
Reading
Simulation
Provider:
Math Open Reference
Provider Set:
Math Open Reference
Author:
John Page
Camp Earth Bound: Problem Solving and Finding for Fun
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Remix and Share
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Students will work together in small groups of four to six students ...

Students will work together in small groups of four to six students to solve the following word problems. Their solutions will require them to practice interview techniques and create a database and/or spreadsheet of their results. This information will be the basis of the answers to the following eight word problems. Skills such as area, cost, calorie count, ratio, percentage and scale, as well as persuasive writing will be applied.

Material Type:
Lesson Plan
Provider:
University of North Carolina at Chapel Hill School of Education
Provider Set:
LEARN NC Lesson Plans
Author:
Jamie Hulse
Life's Percents
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Students will gather data from their own lives to use in calculating ...

Students will gather data from their own lives to use in calculating percents. They will measure parts of their bodies (head, leg, neck, etc.), complete a class survey that asks information about themselves, and use a pay stub to find percentages of deductions.

Material Type:
Lesson Plan
Provider:
University of North Carolina at Chapel Hill School of Education
Provider Set:
LEARN NC Lesson Plans
Author:
Karen Mcpherson
Going around in circles!: around and about a geometric figure
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Geometry can be an exercise arena for strengthening those logic muscles that ...

Geometry can be an exercise arena for strengthening those logic muscles that middle school students need to flex. When we work with a geometric figure—a circle, for instance—and apply the ancient tools of compass and straightedge, geometry can become a rich ground for developing design. And a circle has size, so a unit on this topic necessarily brings in the mathematics of its measurement. Circles, then, is a geometric topic that can provide mental challenge, opportunity for artistic development, and connections to both the history of measurement and its everyday applications.
For this unit we have selected online activities that will enable your students to look at circles from these various viewpoints. The activities range from measurement to theorems about the circle to art and symmetry. Many will engage students in solving problems or in creating designs. Others will allow them to investigate the thinking behind the area and circumference formulas, either through virtual simulations or hands-on projects. We hope these activities will add to your repertoire of ways to present the "many-sided" topic of circles.

Subject:
Geometry
Material Type:
Teaching/Learning Strategy
Provider:
Ohio State University
Provider Set:
Middle School Portal
Author:
Andy Ault
Carolyn Hamilton
Terese Herrera
Regression
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This applet from Statistical Java allows the user to generate bivariate data ...

This applet from Statistical Java allows the user to generate bivariate data for analysis with simple linear regression. The page describes the equations used to generate the data and estimate the regression lines.

Subject:
Statistics and Probability
Material Type:
Activity/Lab
Provider:
Consortium for the Advancement of Undergraduate Statistics Education
Provider Set:
Causeweb.org
Author:
Anderson-Cook, C.
C.Anderson-Cook
Dorai-Raj, S.
Robinson, T.
S.Dorai-Raj
T.Robinson
Congruent Polygons
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An interactive applet and associated web page that demonstrate the congruence of ...

An interactive applet and associated web page that demonstrate the congruence of polygons. The applet presents nine polygons that are in fact congruent, but don't look it because they are reflected and rotated in various ways. If you click on one, it rotates and flips as needed, then slides over the top of another to show it is congruent. The web page describes how to determine if two polygons are congruent. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

Subject:
Geometry
Material Type:
Reading
Simulation
Provider:
Math Open Reference
Provider Set:
Math Open Reference
Author:
John Page
Boxed In and Wrapped Up
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Students find the volume and surface area of a rectangular box (e.g., ...

Students find the volume and surface area of a rectangular box (e.g., a cereal box), and then figure out how to convert that box into a new, cubical box having the same volume as the original. As they construct the new, cube-shaped box from the original box material, students discover that the cubical box has less surface area than the original, and thus, a cube is a more efficient way to package things. Students then consider why consumer goods generally aren't packaged in cube-shaped boxes, even though they would require less material to produce and ultimately, less waste to discard. To display their findings, each student designs and constructs a mobile that contains a duplicate of his or her original box, the new cube-shaped box of the same volume, the scraps that are left over from the original box, and pertinent calculations of the volumes and surface areas involved. The activities involved provide valuable experience in problem solving with spatial-visual relationships.

Subject:
Engineering
Geometry
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering NGSS Aligned Resources
Author:
Engineering K-PhD Program,
Mary R. Hebrank (project writer and consultant)
CC Tasks: Aussie Fir Tree (HS Algebra)
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No Strings Attached
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Task Description: This task asks students to recognize geometric patterns, visualize and ...

Task Description: This task asks students to recognize geometric patterns, visualize and extend the pattern, generate a non-linear sequence, develop and algebraic generalization that models the growth of a quadratic function and verify the inverse relationship of the quadratic relationship. The Aussie Fir Tree task is a culminating task for a 2-3 week unit on algebra that uses the investigation of growing patterns as a vehicle to teach students to visualize, identify and describe real world mathematical relationships. Students who demonstrate mastery of the unit are able to solve the Aussie Fir Tree task in one class period.

Subject:
Algebra
Material Type:
Assessment
Lesson Plan
Provider:
New York City Department of Education