Look Up! Educator Network

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"Life outside the classroom for the seventh grader ( age 12). Why does mathematics exist? Every learning community has a need to quantify some aspects in its environment. Its language(s), economic and social environment determines how much content will be adopted and adapted to meet those aspects. Unfortunately increase globalization is bringing about changes. "

"K-12math.info is a bibliographic information system used by elementary and secondary school mathematics material developers, teacher trainers, resource professionals and home schooling parents. K-12math.info uses a list of 1,000 of the most common terms that appear in elementary and secondary school student editions of mathematics textbooks. It tracks which textbook contain which terms, on what page (for OER materials a link to where the term can be found), for what grade level, and how the term is being used. Information has been collected since the early 1970's to the present Open Education Resource (OER) textbooks series. And displayed in a spreadsheet format. "

"In this chapter, we will first prove the Pythagorean Theorem and its converse, followed by analyzing the sides of certain types of triangles. Then, we will introduce trigonometry, which starts with the tangent, sine and cosine ratios. Finally, we will extend sine and cosine to any triangle, through the Law of Sines and the Law of Cosines. "

Browsing: All Content in Math 7 on Computer

" A community library of technology tools, lessons, activities, and support materials for teaching and learning mathematics. "

"Looking for Mathematical Practices aligned to the CCSS? You can find them through the ADVANCED SEARCH feature. Simply click on "advanced search" (found in the search box area) and a search criteria"

This interactive Flash applet helps students explore concepts of ratio and proportion. It displays two containers, each with its own tap that can be set to deliver different-colored liquids in units of 1 to 10. A main tap can be set to deliver multiples of the amounts on the left- and right-hand taps. Proportion can be modelled using the drain container, which receives whatever is in the left- and right-hand containers.

"Be the Beat: Interactive heart and virtual CPR simulation"

"Wkipedia is a great educational resource for both teachers and students. Its articles appear almost always in the first four links of the search results. I know there are some issues with the use of this resource in education such as : plagiarism, trusted content and many more but still instead of excluding it all together we better learn and teach our students the best ways to use it."

"Wiley said he wanted to create a school that relied completely on open content for its instructional subject matter. His vision is playing out successfully at Open High School, which gleans about 90 percent of its coursework from such resources. Teachers are given six to nine months to gather materials and develop their own curriculum before presenting the content, which is housed entirely on the Web and accessible to users on a 24/7 basis."

"one of the most well-known Egyptian symbols. It's called the Eye of Horus. It's been in the background of plenty of mummy movies, and been turned into a lot of necklace charms. Some people think it's writing. Actually, it's math."

"Math Projects for Science Fairs Introduction Numbers Scheduling Games Geometry"

"7puzzle is a unique product as the contents of the game are kept in an eco-friendly distinctive black/lilac bag. This keeps the playing board clean and tidy, making it extremely difficult for the owner to lose the playing pieces. The playing board is a 7 by 7 grid of 49 squares, each containing a number, colour and shape. When taking on the challenges, players must place all of the 14 playing pieces (7 of which are straight and 7 angled) onto the board, therefore leaving seven spaces. The intention is that everything on the board will be covered up, except seven of a certain element, which may be a particular colour, shape or type of number, depending on the challenge undertaken."

"use technology and imagination to find how traditional Western and Chinese dice mathematically function, and then, within given constraints, to create new dice with the same probability distribution. Ultimately, they explore the patterns and processes of the Mathematics underlying the math - how for instance to multiply and factor polynomials and what each factor contributes to dice probability distribution and die face value."

"learning math through problem solving"

"Rotational Motion (Physics) Road Runner Pendulum (Physics) Chemical Party (Chem) Chocolate Bunny (Earth Science) Evolution of Homer (Biology) Abbott and Costello 7x13=28 (Math)"

"May 1888: Tesla Patents "Electric Transmission of Power" Electric power is an aspect of modern life that most of us take for granted. And while the general public associates Thomas Edison with its invention and the development of transmission processes, the methods used today are largely due to the efforts of Nikola Tesla. "

"Discovery of Elements 113 and 115 - Two superheavy elements, elements 113 and 115, were recently synthesized through a collaborative effort between scientists from the Physical and Life Sciences Directorate at the Lawrence Livermore National Laboratory and researchers from the Joint Institute for Nuclear Research at the Flerov Laboratory for Nuclear Reactions in Dubna, Russia. Two isotopes of element 115 survived 30-80 milliseconds before decaying into isotopes of element 113 that survived approximately ten times longer prior to decaying themselves. F"

"element 118 (ununoctium, Uuo) was produced. Not too much though, one atom in the spring of 2002 and two more in 2005."