ASK YOURSELF THESE QUESTIONS ...
First you want to discover,
What do I need to know?
What do I remember?
What is my goal?
To pass a test? ... take the GED? upgrade my skills for a class or job?
GED - Click the tab above, STARTING THE GED or take the FREE class, "Starting the GED."
I already know what my challenges are; what I am comfortable with and what I'm not.
If you know this, you are way ahead of the game.
Finding out what you need to study is the beginning You don't want to waste your time studying the wrong material or material you're already comfortable with.
If you feel comfortable and pretty much know, fractions; adding, subtracting, dividing, multiplying; percents, decimals, negative numbers, beginning algebra and geometry
English; finding the main idea, theme, genre,grammar, different types of writing, writing practice, tearing apart a story (very important for the GED) then you should be able to go straight to beginning the GED Preparation Guide. If you feel you need to understand most of the above to be comfortable; take the math & English review program.
If you need further help on a particular subject and would like a live instructor, you can take an online class.