Archive for March, 2008

CoSearch

CoSearch is a tool developed by Saleema Amershi and Meredith Ringel Morris. The tool is designed to enable co-locative, collaborative searching. Multiple users may connect to the application running on a single Windows PC via multiple mice or bluetooth enabled smartphones. Saleema is pursuing her PhD at the University of Washington and Meredith is a researcher working for Microsoft.

More information about the tool as well as papers on CoSearch and two other related tools may be found on the wiki.

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notes from patterns for 5th & 6th grade

instead of geometric patterns students make tables and plot the graphs of growing patterns,students look at graphs of distance traveled away from a starting point with the steps being intervals of time. They learn about rates of change.
+they have to make graphs of growing patterns
+contextual representation of functions : i.e. selling hot dogs and the resulting profit middle school, context that makes sense to a students-real life situation
+explore proportional situations that involve rates or proportions.
+within the class the idea of pause and reflect over problem solving is very important
+the idea of graphical representation: graph between sales and profits is linear, and increasing: a clear pattern to the six values
+equations to represent functions: suppose you pick up a letter for each hot dog sold, his income is 1.25 x H dollars etc : emphasis at the order of operations (what would be in game design :levels?)
+illustrate the five representations of function, each of these representations illustrate the same relationship- that the most important thing to see.
+use technology to explore all kind of numbers
+ overall goal: by middle grade, students should be able to understand the relationship among tables, graphs and symbols and to judge the advantages and disadvantages of each way of representing relationships for practical purposes. As they work with multiple representations of function they will develop a more comprehensive understanding of functions. (p 38)

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Casual Games Blog with LevelEditor Tag

This casual games blog has a “leveleditor” tag to note casual games that have built in editors. The easy of sharing levels is an outstanding question with each game, but they are definitely worth looking at for possible use with the school. Perhaps the game developers could be contacted for using them for the school.

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Spring Graph Visualization Tool

Jane and Mike used this spring graph flex component for their urban studies visualization. With a licensed version of Flex, we could put that Taxonomy into this interactive format.

Update: A version of Flex Builder 3 Pro is available for free via educational discount.  It looks to be a simple registration process with Adobe.

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Mind maps

Here are two mind maps based on the visual thesaurus project we saw last friday. Basically some sample scenarios of how a teacher might use this information thus making us better informed of what information we need to gather in relation to each game (questions) and the standards they connect to.

Mind map 1
Mind Map 1

Mind map 2
Mind Map 2

Next steps –
Revise questions for games
New set of questions for level editors

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Math games to play

Here is a list of Math games that we have selected from those played:

Tetris (pdf) – Radhika
Sudoku – (pdf) – Chloe
Blockorz (pdf) – Radhika
Brain Age – Radhika
Yahtzee (pdf) – Radhika, Shipra
Blokus (pdf) – Albert
Professor Layton (pdf) – Shipra
Team Up (pdf)– Chloe
Planet Puzzle League (pdf) – Chloe
Yugioh – (pdf) -Albert
Tangrams – Albert
Launch ball (pdf)– Chloe

Here is a list of all the math games we have played so far

– Sudoku

– Tetris

– Blockorz

– Brain age

-Professor Layton and the curious village

– UNO

– Mahjong

– Settlers of Catan

– Age of Empires

– Diner Dash

– El Grande

– Puzzle Pirates (Bejeweled, Tetris, Tangrams)

– Yahtzee

– Planet Puzzle League

– Puzzle Quest

– Yin Yang Nitrome Games

– Rolly Polly Nitrome Games

– Team Up

– Yu-Gi-Oh

– Blokus

– Tangrams/ Tangramino

-Q-Ba-Maze

-Cliko

-Lonpus

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Mathematics as a science of Pattern and Order

In this first post we will introduce some first ideas around pattern recognition and analysis in mathematics.
Patterns are a key concept throughout all grades, and we will start by exploring how we can pull games out of pattern concepts.

Here are some quotes from the book elementary and middle school mathematics, teaching developmentally, authored by John A. Van De Walle

‘the most basic idea in mathematics is that mathematics make sense!’

‘consider the study of Algebra.One can learn to graph the equations of a parabola by simply following rules and plotting points…But understanding why certain forms of equations always produce parabolic graphs involves a search for patterns in the way numbers behave…Pattern is in everything around us, in nature, art,buildings,science, medicine,biology and sociology’ page 13

‘Children develop understanding in maths through:
1)assimilation :refering to the use of existing schemas to give meaning to experiences.
2)accomodation is the process of altering existing things or ideas that contradict or do not fot into existing schemas.’ page 23

To understand the above better we will give an example:
In this exercise children have to ‘make a list of numbers that begin with a ‘start number’ and increase by a fixed amount we will call the jump number. First try 3 as the start number and 5 as the jump number. Your task is to examine this list and find as many patterns as possible’

A game that could be pulled out of the above pattern problem is sudoku. After playing sudoku children could analyze the patterns that they made to solve the puzzle.

A list of more exercises is found below:
exercise two: two machines, one job p.15 this could be similar to tetris
exercise three: one up one down this could be similar to one of the brain age games

We will keep researching pattern exercises, to view more classic problems in Math, please visit : http://mathforum.org/dr.math/faq/faq.classic.problems.html

Also a  visualization of models/patterns that illustrate mathematics concepts can be found below:

illustrated_math_concepts.jpg

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