cambridge gce o level mathematics syllabus

... by a common prime factor, we stop here) Trang 115Numbers and the Four OperationsUNIT 1.1 13 The lowest common multiple (LCM) of two or more numbers is the smallest multiple that is common to all ... process of expressing a composite number as a product of its prime factors Trang 93Numbers and the Four OperationsUNIT 1.1 Example 2Express 30 as a product of its prime factors SolutionFactors ... ManipulationMultiplication and Division of Fractions 9 To multiply algebraic fractions, we have to factorise the expression before cancelling the common terms To divide algebraic fractions, we have to

Ngày tải lên: 28/01/2022, 17:52

... into an output. Car production Example The nature of economic activity, the problem of choice and opportunity cost Economic activity means taking decisions about the transformation of inputs to ... Workers do not need constant supervision. Workers might retain too much control over how work is to be done. Employees work within parameters laid down by management; workers are not free to do as ... financial motivators l Training — induction training or in-service training that might be on-the-job or off-the-on-the-job l Promotion opportunities — the possibility of future promotion can encourage

Ngày tải lên: 03/01/2020, 13:48

... goods are the opposite of merit goods A demerit good is socially undesirable in some way: for example, alcohol and tobacco With demerit goods, the social costs of production and consumption outweigh ... production of more of one type of good leads to the production of less of the other (thus illustrating the concept of opportunity cost). Point C, which is inside the PPC, shows that the economy ... someone’s personal opinions Normative statements often include the words ‘should’ or ‘ought to’ Factors of production Rewards to the factors of production There are four factors of production: ● Land

Ngày tải lên: 06/01/2020, 09:38

... you knew for your previous examinations is almost certainly not detailed enough for AS or A2 The examination Once you are in the examination room, you can stop worrying about whether or not you ... molecular formulae the number of atoms of different elements in a compound You need to know how to use the composition by mass of a compound to find its empirical formula: A chloride of iron contains ... attraction of these bonding electrons to the nuclei of both atoms involved It is not necessary to have atoms of different elements to form covalent bonds, so it is possible for an element to form molecules

Ngày tải lên: 19/01/2021, 23:15

... oxygenelectron of hydrogen O carbon dioxide, CO2electron of oxygenelectron of carbon C methane, CH4electron of carbonelectron of hydrogen OOoxygen molecule, O2hydrogen molecule, H2 Trang 2416 TOPIC ... Some of the common covalent compounds are shown below with their electron sharing arrangements Note that only the outermost electrons are used for electron sharing O water, H2Oelectron of oxygenelectron ... property) of ionic compounds to their lattice structure (f) describe the formation of a covalent bond by the sharing of a pair of electrons in order to gain the electronic configuration of a noble

Ngày tải lên: 01/03/2021, 14:03

... oxygenelectron of hydrogen O carbon dioxide, CO2electron of oxygenelectron of carbon C methane, CH4electron of carbonelectron of hydrogen OOoxygen molecule, O2hydrogen molecule, H2 Trang 2416 TOPIC ... Some of the common covalent compounds are shown below with their electron sharing arrangements Note that only the outermost electrons are used for electron sharing O water, H2Oelectron of oxygenelectron ... property) of ionic compounds to their lattice structure (f) describe the formation of a covalent bond by the sharing of a pair of electrons in order to gain the electronic configuration of a noble

Ngày tải lên: 01/03/2021, 14:03

... oxygenelectron of hydrogen O carbon dioxide, CO2electron of oxygenelectron of carbon C methane, CH4electron of carbonelectron of hydrogen OOoxygen molecule, O2hydrogen molecule, H2 Trang 2416 TOPIC ... Some of the common covalent compounds are shown below with their electron sharing arrangements Note that only the outermost electrons are used for electron sharing O water, H2Oelectron of oxygenelectron ... property) of ionic compounds to their lattice structure (f) describe the formation of a covalent bond by the sharing of a pair of electrons in order to gain the electronic configuration of a noble

Ngày tải lên: 12/04/2021, 12:02

... OK. you, Joelle Paolo: Hey … next week’s photo project is ‘Houses’ Come to my house on Saturday Joelle: Cool See you later. Paolo: Goodbye, Joelle Bye, Rosa. Extension activity Use the recording ... room 2 kitchen 3 toilet 4 bedroom 5 bathroom Audioscript Joelle and Rosa: Hi Paolo! cameras for the photo club project? house There are three rooms down here (1) This is the living room Oh, sorry ... windows! It’s a really great room, Paolo shower and a bath Paolo’s house Lesson profile Vocabulary Rooms; things in the home; house, flat Listening Photo story: Joelle and Rosa visit Paolo’s house

Ngày tải lên: 01/08/2021, 10:20

... Epidermal cells contain no chloroplasts contain a lot of chloroplasts to increase absorption of sunlight for photosynthesis spaces around them to allow for fast diffusion of carbon dioxide, which ... metabolism • fat digestion • breakdown of red blood cells • metabolism of amino acids and the formation of urea • breakdown of alcohol (g) describe the effects of excessive consumption of alcohol: ... presence of chlorophyll 2 Equation for photosynthesis: 6CO2 + 12H2Ocarbon dioxide + water light energylight energychlorophyllchlorophyll C6H12O6 + 6O2 + 6H2Oglucose + oxygen + water 3 Photosynthesis

Ngày tải lên: 28/01/2022, 18:28

... and molecular formulae the number of atoms of different elements in a compound You need to know how to use the composition by mass of a compound to find its empirical formula: A chloride of iron ... volumes of solution of known molarity Another way of dealing with this is to see how many moles of substance are dissolved in 1 dm3 of solution This is known as the molar concentration Do not ... attraction of these bonding electrons to the nuclei of both atoms involved It is not necessary to have atoms of different elements to form covalent bonds, so it is possible for an element to form molecules

Ngày tải lên: 13/05/2022, 15:45

... of aluminium oxide that prevents further reaction� Question for classroom discussion 1 Why are aluminum products more commonly used for outdoor purposes than iron or copper ■ glucose solution ... bromine ions are oxidized to form neutral bromine atoms� Two bromine atoms combine to form a bromine molecule and hence liquid bromine is obtained� 4 Write the following equations on the board ... 11Stoichiometric calculation for volume of a gasThis demonstration might be conducted in the classroom to support discussion on stoichiometric calculation� Aim • To demonstrate the concept of

Ngày tải lên: 23/05/2022, 10:49

... of aluminium oxide that prevents further reaction� Question for classroom discussion 1 Why are aluminum products more commonly used for outdoor purposes than iron or copper ■ glucose solution ... bromine ions are oxidized to form neutral bromine atoms� Two bromine atoms combine to form a bromine molecule and hence liquid bromine is obtained� 4 Write the following equations on the board ... 11Stoichiometric calculation for volume of a gasThis demonstration might be conducted in the classroom to support discussion on stoichiometric calculation� Aim • To demonstrate the concept of

Ngày tải lên: 18/10/2022, 21:17

... Trang 1CAMBRIDGE Trang 2Cambridge English Readers See©©°e©©eeos°eo°e©°©o°e°o°e°o°oeo°od°o©°odoôeôodod°od°eeoeoeoôeeoeoeooeeooeôeeo°eeoeoe°e Level 6 Series editor: Philip Prowse The Way Home ... looked through the window at the suburbs of Rome speeding by There were thousands, millions of stories out there among the streets and apartment blocks Each one of those people going to work or ... down, enjoying the silence that lay across the valley and the sound of blood beating in her ears She took a water bottle out of her pack, knelt down on the ground and took a long drink The cool water

Ngày tải lên: 07/05/2025, 22:41

... need you, Cindy Someone’s got to take care of your grandmother She can’t be left on her own any more The doctor says so, and I say so, and anyway it’s obvious OK, OK, | know what youre going to say: ... left alone What if she falls down in the bathroom, or falls out of bed? No-one would know We've got to find a proper solution It’s no good burying your head in the sand ‘As if you'd let me forget ... you seem to forget how much it cost Mother and Father to send you to Oxford I didn’t even get the chance to go to university Dad couldn't wait for me to start work as soon as I left school

Ngày tải lên: 07/05/2025, 22:41

... each for any two of the following, up to a total of 2 marks: • pebbly / rocky / mountainous / sandy Do NOT allow ‘A mixture of these’ 2 3(a) Award 1 mark for each of the following, up to a total ... simple connectives to join clauses • Some variation in sentence openings Punctuation: • Demarcation of straightforward sentences Spell common homophones correctly, e.g., to, two, too Trang ... questions 9–15 9 Look at Section One alphabetical order • • • Trang 510 Look at Section Two Where will you find ideas for your designs? 13 Look at the whole of Text B again (a) Give one

Ngày tải lên: 28/06/2025, 10:05

... file.As you read from or write to the file descriptor, its position advances corresponding to the number of bytes you read or write. Sometimes, however, you’ll need to move around a file without reading ... are implemented on top of these low -level I /O functions. Sometimes, though, it’s handy to use standard library functions with file descriptors, or to use low -level I /O functions on a standard library ... file descriptor refer to the same open file, so if you close one, you may not subsequently use the other. B.5 Other File Operations A few other operations on files and directories come in handy: n getcwd...

Ngày tải lên: 21/01/2014, 07:20

... coursework portfolio of two pieces of work. Each piece of work will be marked out of 30 to produce an overall mark out of 60 for the unit. The coursework portfolio will consist of: • A comparative ... meanings AO3 some connections made between texts AO3 some reference to different interpretations of texts/ some textual support AO4 some consideration of contexts of reception AO4 some consideration of ... consideration of connections between texts AO3 consideration of different interpretations of texts, with general textual support AO4 consideration of contexts of reception AO4 consideration...

Ngày tải lên: 19/03/2014, 07:20

... contributions to those of other speakers.  Widens the scope of the interaction and negotiates towards an outcome. C1  Shows a good degree of control of a range of simple and some complex ... appropriate grammatical forms. For example, the inconsistent use of one form in terms of structure or meaning, the production of one part of a complex form incorrectly or the use of some complex ... AND FORMAT Information transfer. One or two short input texts, authentic in nature (notes, adverts etc.) to prompt completion of an output text (form, note, etc.). Five spaces to fill on output...

Ngày tải lên: 19/03/2014, 08:20

... Percentage points of Student’s t distribution 33 Percentage points of the F distribution There are no formulae provided for Decision Mathematics units D1 and D2. Edexcel AS/A level Mathematics Formulae ... distributions 17 Correlation and regression 18 The Normal distribution function 19 Percentage points of the Normal distribution 20 Statistics S2 20 Discrete distributions 20 Continuous distributions ... from June 2009 This copy is the property of Edexcel. It is not to be removed from the examination room or marked in any way. = Edexcel AS/A level Mathematics Formulae List: Statistics...

Ngày tải lên: 31/03/2014, 12:20

... use of one form in terms of structure or meaning, the production of one part of a complex form incorrectly or the use of some complex forms correctly and some incorrectly. Spoken language often ... CEFR, go to www.CambridgeESOL.org/CEFR In addition to our own programmes of world-leading research, we work closely with professional bodies, industry professionals and governments to ensure ... Say to both candidates: Now, I’d like each of you to talk on your own about something. I’m going to give each of you a photograph of people reading and writing. Candidate A, here is your...

Ngày tải lên: 02/04/2014, 05:21