keyboard

I am new to the Mac, I have been trying to find how you go page up/down and home/end both in a line of text and the whole document. can someone help?
In windows there was a home/end key's and then you pressed ctrl home/end to go top/end of document.

Page up/down is Option+up/down arrows. Beginning/End of whole document is Cmd+up/down arrows. Beginning/End of line of text is Cmd+left/right arrows. Hope this helped. Good luck and welcome to the Mac world!