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How close are you towards the target of 200 by Easter?
Maths Foundation Revision Programme 2014
Non – Calculator Paper 1 Monday
9th June am
Calculator Paper 2 Friday
13th June am
Exam
paper
|
Focus
|
Useful
Links
|
Churchill
Paper 1E
Non -
calculator
|
QWC
questions
|
|
Churchill
Paper 2E
Calculator
|
Functional
questions
|
|
Churchill
Paper 1F
Non -
calculator
|
Construction
|
Construction
|
Churchill
Paper 2F
Calculator
|
Drawing
linear graphs
|
Drawing Linear Graphs
|
Churchill
Paper 1G
Non -
calculator
|
Transformations
/ Similarity
|
Transformations
|
Churchill
Paper 2G
Calculator
|
Ratio
/ Proportion / Exchange rates
|
Ratio & proportion
Exchange Rates
|
Mock
Paper 1
Non -
calculator
|
Angles
(triangles/quadrilaterals/
parallel
lines/supplementary angles)
|
Angles
|
Mock
Paper 2
Calculator
|
Probability
HCF
LCM
|
Probability
HCF
LCM
|
June
2012 Paper 1
Non -
calculator
|
Standard
Form
Trial
& Improvement
|
Standard Form
Trial & Improvement
|
June
2012 Paper 2
Calculator
|
Mean/median/mode
& range
Including
grouped data
|
Mean/median/mode & range
Including grouped data
|
Nov
2012 Paper 1
Non -
calculator
|
Pie
charts/Bar charts/ Stem & Leaf
Scatter
graphs/ 2 way tables
|
Pie charts/Bar charts/ Stem & Leaf
Scatter graphs/ 2 way tables
http://www.mymaths.co.uk/tasks/library/loadLesson.asp?title=gcseFoundation/rev19bscatter&taskID=3999
|
EASTER
|
||
Nov
2012 Paper 2
Calculator
|
Perimeter
/ Area (include circles)
Volume
Plans
& elevations
|
Perimeter / Area (include circles)
Volume
Plans & elevations
|
March2013
Paper 1 Non - calculator
|
Number
patterns
linear
sequences
laws
of indices
|
Number patterns
Linear sequences
Laws of indices
|
March
2013
Paper
2 calculator
|
Percentage
and fractions
|
Percentage and fractions
http://www.mymaths.co.uk/tasks/library/loadLesson.asp?title=percentages/PercentageChange&taskID=1060
|
Nov
2013 Paper 1 Non- calculator
|
Substitution
/ brackets / factorisation
Solving
linear equations
|
Substitution / brackets / factorisation
Solving linear equations
|
November
2013 Paper 2 Calculator
|
QWC/functional questions
|
QWC/functional
questions
|
Why you should NEVER keep your mobile in your bedroom
By JENNIE AGG
|
The next time you can't sleep, your brain whirring over shopping lists, tomorrow's meetings and whether or not you locked the back door, the solution could be simple - move your mobile phone off the bedside table and out of your bedroom altogether.
Eight out of ten of us keep our mobiles on overnight according to Ofcom, and around half use our phone as an alarm clock, a survey found.
But experts are concerned about the effect this is having - at the very least it makes us 'hypervigilant' so our sleep is more likely to be disturbed and we end up not getting enough of the restorative sleep we need. But it might also trigger insomnia and other sleeping problems.
Keeping our mobiles on overnight makes us 'hypervigilant' so our sleep is more likely to be disturbed
Most people will sleep better if the bedroom is kept free of mobile phones and other electronic devices, says Dr Guy Meadows, insomnia specialist at The Sleep School, London. Dr Meadows leaves his smartphone in the kitchen at night.
More controversially, there are suggestions that sleeping with your mobile by your bed may cause dizziness and headaches.
The main problem with mobile phones in the bedroom is light, particularly the kind produced by the bright, high-quality screen on modern phones.
It interferes with the body's natural rhythm, effectively tricking our bodies into believing it's daytime, according to Dr Charles Czeisler, a professor of sleep medicine at Harvard University.
Light stimulates cells in the retina, the area at the back of the eye that transmits messages to the brain. The light-sensitive cells inform our body what time it is, explains Dr Meadows.
'This controls the release of the hormone melatonin, which makes you feel sleepy, and the waking hormone, cortisol.'
All artificial light, whether from standard light bulbs or fluorescent strips, is thought to inhibit the release of melatonin, keeping us awake longer. But light from mobiles may have a greater effect.
A phone's light interferes with the body's natural rhythm, tricking our bodies into believing it's daytime
Why? Most of us think of normal light as white, but it's made up of different colours of varying wavelengths, explains Professor Debra Skene, a neuroendocrinologist at the University of Surrey.
And the light emitted by phones, tablets and e-readers contains a great deal of blue - this means it has a more stimulating effect.
'We know that because of a pigment called melanopsin, the cells in the retina are most sensitive to blue light,' says Professor Skene.
This is why reading something on a phone or tablet before bed could be more likely to keep you awake than reading a book with your bedside light - and it's why sleep experts advise a ban on screen time two to three hours before bed.
TV screens also emit blue light, but with mobiles the light source is closer to your eyes.
'As well as the type of light, what determines the effect on your body clock is brightness, duration, time of day and the distance from the light,' says Professor Skene. 'So if you're holding a very bright screen close to your face, at 2, 3, 4am - you're doing everything you possibly could that would make you more alert.'
Even short bursts of light - from a message alert or checking your phone - may have an effect. A 2011 study at Stanford University in the U.S. tested the effect of a total of just 0.12 seconds of light exposure during the night. Participants were exposed to pulses of light lasting two milliseconds each for an hour. This delayed the bodyclock and people became more alert.
'This, along with other studies comparing intermittent and continuous light, suggests the first part of any light exposure is more effective on making the body more alert than the later part of light exposure,' says Professor Skene.
And because of the way we sleep, having a mobile by the bed means if we do wake up in the night, we're more likely to stay awake.
As Dr Meadows explains: 'We sleep in cycles of 1½-2 hours, with brief moments of waking in between that normally go unnoticed.
'A flash of light or vibration of your phone from a text message at the wrong moment could make you fully conscious'
'This stems from our evolutionary past when, if we stayed fast asleep, there was a high chance we'd end up as a lion's midnight snack. So the brain wakes to check for danger.'
But in these brief waking moments, any outside stimulus has the potential to drag you out of sleep - for instance, a flash of light or vibration of your phone from a text message at the wrong moment could make you fully conscious.
'If you then check your phone, you'll be stimulating the cognitive parts of your brain, too - which really will stop you sleeping,' adds Dr Meadows.
Four in ten smartphone users say they check their phone if they're disturbed by it in the night.
'There's not always something new or interesting every time you check your messages - but there might be,' explains Tom Stafford, a lecturer in psychology and cognitive science at Sheffield University.
'There's not always something new or interesting every time you check your messages - but there might be,' explains Tom Stafford, a lecturer in psychology and cognitive science at Sheffield University.
'This has a powerful effect - even more than when we know for certain there will be something rewarding. So we want to check our phone more often than we rationally know we should - just in case.' This ties in with what Harvard neuroscientist Dr Orfeu Buxton has described as 'threat vigilance' - because we're never truly relaxed when our mobile is by the bed, we struggle to sleep properly.
Sleep expert Dr Neil Stanley adds: 'In order to get a good night's sleep, you have to feel safe and not worried about anything. By having your phone close by at night, you're subconsciously saying you wish to attend to that phone.
'The brain will monitor the situation and your sleep will be lighter and more likely to be disturbed.'
Then there is the question of what your phone signal may be doing to your brain as you sleep.
Then there is the question of what your phone signal may be doing to your brain as you sleep.
A mobile phone works by 'talking' to a base station using radio waves - a type of electromagnetic radiation. Radio waves are non-ionising radiation which means, unlike X-rays or radiation in cancer treatment, they do not have enough energy to change the structure of atoms. However, there is evidence that radiation may affect electrical activity in the brain during sleep.
Four in ten smartphone users say they check their phone if they're disturbed by it in the night
'We can now say that exposure to radiation before bed - at a level equivalent to making a call on a mobile for 30 minutes - does seem to lead to a small increase in electrical activity in the brain,' says Dr Sarah Loughran of the Australian centre for electromagnetic bioeffects research at the University of Wollongong.
'This happens mainly in the stage of non-rapid eye movement sleep that occurs either side of deep sleep. We don't yet know what these findings may mean.'
A small 2008 study found that participants took an average of six minutes longer to reach deep sleep after being exposed to mobile phone radiation. They also spent an average eight minutes less time in the deepest stage of sleep. This is believed to be the most refreshing part of the sleep cycle.
But if the scientists say they need more evidence for the effects on the brain, people who say they suffer from electrosensitivity do not. This is a controversial cluster of symptoms such as headaches, nausea, dizziness, tinnitus and sleep disorders blamed on electromagnetic energy from sources such as mobiles or wi-fi.
Dr Andrew Tresidder, a Somerset GP, says he's found some patients who complained of disturbed sleep or headaches improved once they switched their mobile phones off in their bedroom.
'So we want to check our phone more often than we rationally know we should - just in case'
Dr Tresidder, now a trustee of the campaign group Electrosensitivity UK, adds: 'We don't really know the mechanism here, but given how sensitive the cells in our bodies are to other types of energy waves such as sound or light, it would be surprising if we weren't sensitive to other kinds of frequency - such as radio waves.'
But many researchers are sceptical and say we can't say these symptoms are caused by so-called electrosmog. Dr James Rubin of the Institute of Psychiatry at King's College, London, has reviewed research on mobile phone exposure and how people feel they've slept - 11 studies in total, during which participants were exposed either to radiation or a sham form while they slept; they were quizzed on how they felt in the morning.
'The good news is we can't see an effect on sleep quality,' says Dr Rubin. 'This is not to say the symptoms of electrosensitivity aren't real - they are, and can be devastating. But as far as we can tell, it's not the electromagnetic field causing them.'
Professor Malcolm Sperrin, director of medical physics and clinical engineering at the Royal Berkshire hospital, adds: 'There just isn't the evidence to say radiation from your phone can affect your health in this way.
'Actually, when it comes to electro-magnetic fields, charging your phone would be worse - as the transformer plugged into the mains would be giving a more intense field.'
But what the experts do agree on is that taking your phone to bed is not going to help you sleep. So if you're struggling to switch off - switch it off.
Read more: http://www.dailymail.co.uk/health/article-2577824/Why-NEVER-mobile-bedroom.html#ixzz2vx9rPhyL
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The city of 2050
Have you ever wondered where you or your children may be living in 2050?
Experts predict that by then three-quarters of the world's population will live in cities.
For part of its Tomorrow's Cities season the BBC takes a look through the crystal ball
to imagine what city life might be like in 40 years' time.
Experts predict that by then three-quarters of the world's population will live in cities.
For part of its Tomorrow's Cities season the BBC takes a look through the crystal ball
to imagine what city life might be like in 40 years' time.
Happy Pancake Day - What are you giving up for lent to help your exams?
This is the simple, straight-forward, everyday pancake recipe, great for sweet or savoury pancakes.
Ingredients
- 200g/7oz plain flour
- 2 large eggs, lightly whisked
- 1 tbsp vegetable oil
- Pinch salt
- Vegetable oil for frying
Preparation method
- Put the flour into a large bowl, make a well in the centre and pour in the milk and eggs. Give the liquid mixture a quick whisk before incorporating the flour. Continue to whisk until you have a smooth batter.
- Now add 1 tbsp vegetable oil and whisk thoroughly.
- Take a crêpe pan, or large frying pan, dip some kitchen roll in the oil and carefully wipe the inside of the pan. Heat the pan over a medium heat for a minute.
- Add just under a ladleful of batter to the pan and immediately start swirling it round the pan to get a nice even layer.
- Cook the pancake for approximately 30-40 seconds. Use a palette knife to lift the pancake carefully to look at the underside to check it is golden-brown before turning over. Cook the other side for approx 30-40 seconds and transfer to a serving plate.
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