Next consider subtraction of a negative number. In terms of Thomas’s piggy bank, subtracting a negative number is the same as taking away one of his IOUs. If his mother says ‘you have been a good boy today so I’ll take away that IOU for £3’ this is equivalent to him being given £3.

So, − (3) = 3. Does this correspond with the number line interpretation of subtracting a negative number?

Consider the evaluation of 8 − 3. Continue to think o
Author(s): The Open University

In Section 2 we start by introducing surfaces informally, considering several familiar examples such as the sphere, cube and Möbius band. We also illustrate how surfaces can be constructed from a polygon by identifying edges. A more formal approach to surfaces is presented at the end of the section.

Figure 3 shows
Author(s): The Open University

How Music Works 2 - Rhythm - Part 1
Narrator is Howard Goodall.  Rhythm is the maverick in the musical toolbox, even without melody, harmony, or bass line a rhythm can stand by itself.  Rhythm is the part of music that interacts the most immediately and spontaneously with our body.  What is it about rhythm that makes is so great?  Rhythm can make us tap our feet, it can also be complex.  The beat is the heart of rhythm.  Video discusses the rhythm in classic music.   Video a
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MPH Capstone Honors Recipients 2011
MPH candidates are required to prepare capstone projects to complete their degree program. Each year, special honors were given to ten students for the best overall capstone projects. Presentations from five of the ten 2011 honors recipients are posted.
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Newton's Universal Law of Gravitation Introduction (The Big G Equation)
Understanding Newton’s Universal Law of Gravitation. Including a dramatization of The Cavendish Experiment and force visualization via qualitative examples. Want Lecture Notes? This is an AP Physics 1 topic.

Content Times:
0:11 Reviewing the standard Force of Gravity or Weight equation
0:56 Newton’s Universal Law of Gravitation
1:48 Defining r
2:47 The Cavendish Experiment

Author(s): No creator set

Flames of Passion (1989) - extract
Richard Kwietniowski's short film lovingly twists David Lean's stiff-upper-lipped romance 'Brief Encounter' into a rich and witty contemporary melodrama, with two devilishly handsome young men standing in for Celia Johnson and Trevor Howard. Kwietniowski's award-winning work includes the feature 'Love and Death on Long Island'. You can see the complete film and over 2000 other titles free in BFI Mediatheques around the UK - http://www.bfi.org.uk/mediatheque
Author(s): No creator set

Ding Dong Bell, Save the Pussy Cat
Animated video representing the story of a little cat thrown into a well. A boy comes to save him and the animation shows the story as the song goes on. No lyrics given.  (01:00)
Author(s): No creator set

Body illusion lets you experience Parkinson's
Full story: http://www.newscientist.com/article/dn26589 A theatre company in London is using simple technology to build a first-hand experience of disabling conditions like Parkinson's Video credit: digitalSTAGE
Author(s): No creator set

Historia de España - parte 6 de 12
Por favor lea la descripción agregada por www.artehistoria.com.

A mediados del siglo XV, los distintos reinos peninsulares viven momentos y situaciones muy diferentes.

Castilla y Aragón salen muy fortalecidos del proceso reconquistador, especialmente el primero. Portugal ve en el Atlántico un ámbito propicio para su expansión, más de carácter económicoque militar, mientras que Granada y Navarra apenas pueden luch

Author(s): No creator set

Frankfurt motors into future
The world´s car makers unveil their latest models on the first day of the Frankfurt car show, as France´s PSA Peugeot Citroen says it´s cutting jobs and costs to prepare for tough economic times ahead.
Author(s): No creator set

All materials included in this course are derived from content originated at the Open University.

Course image: Kjetil Korslien in Flickr made available under Creative Commons Attribution-NonCommercial 2.0 Licence.

Except for third party materials and otherwise
Author(s): The Open University

For the six ordered data items 1, 3, 3, 6, 7, 7, the lower quartile is given by

In other words, the lower quartile qL is given by the number three-quarters of the way between x (1)=1 and x (2)=3
Author(s): The Open University

Dit thema maakt deel uit van de website chemie is overal, waarin verschijnselen uit het dagelijks leven onder de loep worden genomen en verklaard.

Over de verkleuring van de bladeren tijdens de herfst heeft de wetenschap nog niet het laatste …

Author(s): No creator set

Op de site van Mediawijs kan je de EHBO-kit voor online privacy bestellen. Naast deze affiche hebben we ook nog twee andere mediawijze affiches in de aanbieding, namelijk Doorprik je bubble om anoniemer te surfen en Hoe reageer je als organisatie het …

Author(s): No creator set

If the number you are dividing by does not go exactly (with no remainder) into the digit you are dividing into, you need to do something called carrying.

Say you want to divide 952 by 7. The process is basically the same as in the previous section. First write it down on paper. Then, to do the calculation, you take each digit from the number being divided in turn, starting with the one on the far left, and see how many times the dividing number, 7 in this case, goes into it. The calcula
Author(s): The Open University

Table 3 summarises the main aspects of Part D.

## Table 3 Types of law and their effects

Type of lawEffect
Treaties
Author(s): The Open University

Welcome back to Ping! We talk about the return of robot combat return to television, we chat about a one-way ticket to Mars on the space desk, and more stories that 'softies are pinging each other about...

[01:40] From last week...

Author(s): Greg Duncan, Mark DeFalco, Seth Juarez

Certificacion de Turismo Responsable
A lecture on sustainable tourism delivered in Spanish.
Author(s): Xavier Font,Leeds Metropolitan University

Transporte pasivo
OpenStax College
Al final de esta sección serás capaz de: Explicar cómo y por qué ocurre el transporte pasivo. Entender los procesos de ósmosis y difusión. Definir tonicidad […]

Author(s): No creator set

Een werkbundel over de koningen van België. Leerlingen vullen de identiteitskaart aan van koningen die regeerden over België. Ze vullen ook een gatentekst aan en komen zo allerlei zaken te weten over het koningshuis.

Author(s): No creator set