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Reasoning and Proof
From the early grades on, students develop their reasoning skills by making and testing mathematical conjectures, drawing logical conclusions, and justifying their thinking in developmentally appropriate ways. As they advance through the grades, students' arguments become more sophisticated and they are able to construct formal proofs. By doing so, students learn what mathematical reasoning entails.
Author(s): K-12 Outreach,

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Copyright 2011 - K-12 Outreach, Worcester Polytechnic Institute,http://www.teachengineering.org/policy_ipp.php

Count on Math: Making Your First Million
Do middle grades students have a good grasp of the size of one million? In this activity for grades 4-6, they develop a better sense of one million by working with blocks of 10 or 100, and then expanding the idea until a million is reached. To help them relate to such a large quantity, they try to answer such questions as, “Have you been alive a million days? Hours? Minutes? Seconds?”
Author(s): NCTM Illuminations

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2000 - 2009 National Council of Teachers of Mathematics,http://www.nctm.org/about/content.aspx?id=8854

3D gaming without the glasses
Nintendo's launch of its handheld 3DS gaming system, the first device to offer 3D gaming without special glasses, was met with a big crowd, but competition from smartphones could threaten future growth.
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Changing the World: Gregory Delwiche
Oregon State University alum Gregory Delwiche is making the world a better place. He is currently the Senior Vice President of Bonneville Power Administration.
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Mikado 1 : Aansluitend online oefenmateriaal
Mikado1.png

Online oefeningen die aansluiten bij de leerstof van de WO-methode Mikado 1 (eerste leerjaar) van uitgeverij Pelckmans.


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Mikado 3 : Aansluitend online oefenmateriaal
Mikado3.png

Online oefeningen die aansluiten bij de leerstof van de WO-methode Mikado 3 (derde leerjaar) van uitgeverij Pelckmans.


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Mikado 2 : Aansluitend online oefenmateriaal
Mikado2.png

Online oefeningen die aansluiten bij de leerstof van de WO-methode Mikado 2 (tweede leerjaar) van uitgeverij Pelckmans.


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Is It Really News?
A leading national newspaper has stated that the majority of the information contained in its pages is in the form of advertisements. To investigate this, portions of the local newspaper are distributed to students working in groups. The class first reaches consensus on their definitions of "news" and other general headings (sports, entertainment, etc.). Students then express the ratio of the area of each category to the area of the page as a fraction and decimal. After analyzing the entire news
Author(s): PBS Mathline

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1995 - 2009 Public Broadcasting Service (PBS),http://www.pbs.org/aboutsite/aboutsite_rules.html

Cheap Assignment Writing Service in UK – From £4

Are you in the search of a competitive writing service for your assignments? Assignment Ace is the top best company providing proficient assignment help to students all over the world specifically in the UK. It has a panel of highly experienced writers with postgraduate qualifications to ensure the highest quality in the papers. It is the best cheap assignment writing service with excellent
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Peter S. Rummell - "The Creative Process: Lessons Learned from a Lifetime of Creating Communities
Peter S. Rummell, Charles Fraser Lecture Series, "The Creative Process: Lessons Learned from a Lifetime of Creating Communities", February 18, 2010
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Distinguished Service Award - Harold D. "Doug" Kingsmore '55
Congratulations to the 2011 DSA Recipients! A gala was held to honor and recognize the 2011 winners on March 18, 2011 at The Brooks Center for the Performing Arts. Five indiviuals were presented with the University's highest alumni honor. Chalmers R. "Hap" Carr Jr. '60 Harold D. "Doug" Kingsmore '55 Wilbur O. "Billy" Powers '57, HD '04 Charles K. Watt '59 Kimberlee A. Wilkerson '80 The Distinguished Service Award is the highest honor the Alumni Association can bestow upon an alumnus or alumn
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interesting sightseeings in Kakheti
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Author(s): tlekishvili

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Kenwood House Concert Bowl J870307

KENWOOD HOUSE, London. Close up of the concert bowl at night with orchestra.


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Ice pail depicting the Battle of Salamanca N081113

APSLEY HOUSE, London. Ice pail from the Duke of Wellington's Prussian Service, made in Berlin 1817-19. This was a gift to the Duke from the King of Prussia, and depict the battles he won during his military career. Here shown is the Battle of Salamanca (22nd July 1812) during the Peninsular War. WM1058_1948.


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Dessert plate depicting the Battle of Albuera N081121

APSLEY HOUSE, London. Dessert plate from the Duke of Wellington's Saxon Service, made at Meissen in 1818. This was a gift to the Duke from the King of Saxony, and depict the battles he won during his military career. Here shown is the Battle of Albuera (16th May 1811) during the Peninsular War. WM1213_1948.


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DAS Security Overview of Options
DAS Security Overview of Options presented by Gustavo Salazar at the DAS workshop at Hinxton in Cambridge 2011
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Besoins et économie - Jean Gadrey

Une conférence de l'UTLS au Lycée

Besoins et économie par Jean Gadrey(économiste)

Lycée Diderot (62 Carvin)


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Recognizing Trees as Providers and Inspiration for Our Lives
Sponsored by the School of Forest Resources, the College of the Environment, and the Lockwood Endowment for Program Enhancement, the lecture addressed one of the greatest challenges of our new century—how to ensure that forests, which sustain human, animal, and plant communities worldwide, thrive and nourish both the livelihoods and spirits of future generations. Nalini Nadkarni , Faculty Member, The Evergreen State College shared her vision of how fostering deeper human relationships with tre
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USDA Forest Service-St. Paul Field Office: Silvics of North America
The Internet continues to evolve as a global library, allowing free and easy public access to an increasing number of valuable documents. One such treasure, found in the archives of the USDA Forest Service St. Paul Field Office website, is _ Silvics of North America_, a substantial publication describing "the silvical characteristics of about 200 conifers and hardwood trees in the coterminous United States, Alaska, Hawaii, and Puerto Rico. Individual articles were researched and written by knowl
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Oracle Education Foundation-ThinkQuest Library: Crocodilians
One of the many benefits of the Internet is that it serves as a place for kids to create educational websites for other kids. Following in this tradition, this website (winner of the April 2004 ThinkQuest contest for students 12 and under) was created by a team of fifth-grade students--with help from their teachers--to educate other kids about Crocodilians. Although not heavy on content, the site offers basic information about this fascinating order of reptiles, and at the same time provides ele
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