Here are the questions you worked on, as an introduction to acids and bases, at the end of last year: introduction to acids and bases and conjugate acid/base pairs.
The notes we made in class are here: acids and bases.
Here is a PPT showing the difference between strong and weak acids.
Complete the following revision map for acids and bases in order to consolidate your ideas about As and Bs: A/B revision map
Carry out the following exercises to make sure that you fully understand the difference between the terms: strong, weak, dilute, concentrated: Explaining acid strength
The following worksheets include all of the Standard level material. I have a paper copy for you in my room.