On this page I will add some links that may be of help to you when revising for SACs and exams.
All of you need to practice your algebra. This site, subtangent, has a linear equations calculator. Do a couple each day (each one should take about twenty seconds) and you will find yourself getting better at algebra. There's some other stuff on subtangent too - have a look around.
Here is another useful site called Brightstorm. These are maths lessons that you can watch when you are revising. Not much about statistics, unfortunately, but you may find some other stuff on there that is useful.
Do you understand how to use your calculator? Here is a site that gives you lessons on how to use your TI-nspire.
All of you need to practice your algebra. This site, subtangent, has a linear equations calculator. Do a couple each day (each one should take about twenty seconds) and you will find yourself getting better at algebra. There's some other stuff on subtangent too - have a look around.
Here is another useful site called Brightstorm. These are maths lessons that you can watch when you are revising. Not much about statistics, unfortunately, but you may find some other stuff on there that is useful.
Do you understand how to use your calculator? Here is a site that gives you lessons on how to use your TI-nspire.