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152: Unit 1 Outcome 1 - Business in Contemporary Society
153: The Results of Enclosure
154: Housing For The Poor
155: The Main Changes 1700 - 1900 & 1900-1997
156: Probability
157: Sampling
158: Averages
159: Data
160: Loci
161: Congruency
162: Circle Theorum
163: Trignometry
164: Pythagoras Theorum
165: Transformations
166: Three Dimension
167: Co-ordinates
168: Volume
169: Area
170: Algebraic Expressions
171: Sequences
172: Flow Charts
173: Proportions
174: Graphs
175: Indices
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Latest Articles
151: Unit 1 Outcome 2 - Information and Information Technology
[remotely hosted] Detailed notes covering the second Outcome of Unit 1.
..
152: Unit 1 Outcome 1 - Business in Contemporary Society
[remotely hosted] Detailed notes covering the first Outcome of Unit 1.
..
153: The Results of Enclosure
- the landscape that people had known was changed beyond recognition
- fences now surrounded the old common land and sliced up the great open fields
- farming became more of a business - less of a wa..
154: Housing For The Poor
UNPLANNED GROWTH
The number of houses in Britain doubled between 1800 and 1851
Houses were built very cheaply and as quickly as possible.
Landlords only wanted high rents and didn't care about livi..
155: The Main Changes 1700 - 1900 & 1900-1997
The Main Changes 1700 - 1900
1700
1900
POPULATION
There is only one town with a population of over 100,000.
There are 33 towns with a popul..
156: Probability
A probability is how likely an event would happen. The probability
of an event occurring is given as a fraction, decimal or percentage.
This is because a probability is only from 0 to 1 inclusive. Thi..
157: Sampling
When you are using statistics with a large number of values, you may
only want a representative sample in your survey. To do this you should
find a random sample. In this sample, every value should ha..
158: Averages
The average of a set of numbers is the value which best represents it. There are three different types of averages.
Mean
This is also known as the arithmetic mean. It is found by dividing
the sum of ..
159: Data
When we are given information about a topic it should be treated as data. The data, usually, is interperated or presented.
Data is either given to you in a tabular form or in a graphical
form. You sh..
160: Loci
The locus means the area or line which satisfies a condition. Below are several examples:
The points which are x away from point A.Locus is a circle around point A ..
161: Congruency
Two shapes which are equal in shape and size are called congruent.
Although you should be able to see if shapes are congruent, the most
complicated shape to understand is the triangle. There are sever..
162: Circle Theorum
When working with circles there are several circumastances which you need to know:
The angle at the centre is twice the angle at the circumference for angles which s..
163: Trignometry
Triganometry is the study of triangles which connects sides to
angles. It uses functions called the sine, cosine and tangent. You can
find these on scientific calculators with buttons named sin, cos a..
164: Pythagoras Theorum
Pythagoras theoreum connect the lengths of two sides of a right-angled triangle with the length of the third side. It only works with right-angled triangles.
Pythagoras threoreum is
r 2 = x 2 + y 2..
165: Transformations
Shapes can be put under transformations. This means a shape can be
changed by a set of instructions. The original shape is put under
instructions which are given to you. You may be able to change a wh..
166: Three Dimension
In GCSE mathematics you need to be able to work with three
dimensional objects. Normally, you have to work out things like volume
and surface area. Also you have to know how to use three-dimensional
c..
167: Co-ordinates
Co-ordinates are a set of numbers which pin point a specific point on a graph. They are written in the form ( x, y ), where x is the distance along the x-axis, the horizontal, and the y is the distan..
168: Volume
Volume is a three dimentional measure of space within an object.
Below, there are a variety of objects with the formula for its volume.
Volumes are measured in units3. &n..
169: Area
Area is a two dimentional measure of space within a shape. Below,
there are a variety of shapes with how to find the area. The area of
the shapes are shown as units2.
There are also several three dim..
170: Algebraic Expressions
Your maths exam would definitely have something which involves
algebra. You would need to understand how to use and manipulate
algebraic expressions to answer their questions.
There are many rules in..
171: Sequences
A sequence of numbers is a string of values which all have a pattern
from one number to the next. Sequences come in many forms and you need
to know how to find patterns and also describe them.
An exa..
172: Flow Charts
Flow charts show a set of instructions which are to be followed.
When you put a value into the start of the flow chart and follow the
results you should get a result.
Flow charts are made up of boxes..
173: Proportions
Two quatities which vary together are said to have proportionality
with each other. Proportionality between two values is shown using the
symbol: which means is proportional to. There are several typ..
174: Graphs
Many algebraic expressions can be interperated as graphs. Each
expression would have a different graph. The shape of the graph can be
found from the equation.
Linear Equations
The graph made from a l..
175: Indices
An index is the number which is at the top right hand corner of a figure which denotes a power. The power of a number is how many times the number is multiplied by itself. For example:
22 = 2 × 2 = ..
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