1 Read the following expression out aloud or write it out in full in words:

• (a) 3 Ã— 4 + 3 Ã— 5 = 3 (4 + 5).

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You will have already met the symbols for the basic arithmetical operations, which are +, âˆ’, Ã— and Ã·, but you may not have met some of the alternative ways of writing Ã— and Ã·.

To recap, the main symbols for arithmetical operations are:

There are other alternati
Author(s): The Open University

1 How would you add the following words to the list:

Â decimal, fraction, positive, negative.

For each one, give the mathematical meaning and an example of its use.

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Designed products surround us all and range from bus tickets to buildings. One of the primary considerations in all fields of design is â€˜usabilityâ€™ and, increasingly, the phenomenon of â€˜user-centred designâ€™. This can focus on physical attributes of products but increasingly it depends on an understanding of our cognitive abilities required to operate even simple products. All people studying this course will have some experience of designs that are not usable (perhaps mobile phones or
Author(s): The Open University

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Dec 13 - SolarCity's IPO has had a difficult journey to the Nasdaq. Here are the top facts behind the launch of the U.S.' number one installer of residential solar panels.
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Stephen Colbert | "America Again: Re-Becoming the Greatness We Never Weren't"
The uncut interview of Stephen Colbert's visit to Google's New York office. You can find Stephen's book on Google Play here: http://goo.gl/Jyujo . America Again: Re-Becoming the Greatness We Never Weren't is more of a coffee-table book, with large color pictures, and chapter photos that require the use of included 3-D glasses. It falls somewhere between I Am America and the Daily Show faux-textbooks America (The Book) and Earth (The Book), which used that organizing principle to their advantage
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Site Libre Savoirs: Formation CERES-EGC / Training session for the CERES-EGC model
Domaine: Sciences et technologies de l'information et de la communication
Formation "CERES-EGC" Modelling concepts, past, current and future uses. Par BenoÃ®t GABRIELLE, Rea Silvia Massad et Pietro Goglio

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