IB · SL & HL
IB Mathematics & Physics
Structured support for IB Maths AA and AI (SL & HL) and IB Physics. Syllabus mastery, past papers, and real understanding built from the ground up.
IB Maths & Physics · SAT · Bocconi · Online
One-to-one tutoring in IB Maths and Physics, SAT Math and Bocconi test preparation. Your child works with a maths graduate who sat the same exams, and you get an honest view of their progress the whole way through. Lessons in English, Italian or Croatian.
No commitment. If I'm not the right fit, I'll tell you.
+2 average IB grade lift, and 80% of students hit their target grade or above.1
1Based on 20+ students who completed a full lesson package. Individual results vary.
43/45
IB Diploma points · Alex Ćetojević
For parents
We talk through where your child is now, what they're aiming for, and whether I'm the right fit. No commitment and no pressure. And if I'm not what they need, I'll tell you.
You're welcome to reach out at any time for a direct update on how your child is progressing: what's improving, what still needs work, and what we're doing about it.
I'm fluent in all three. If your child grasps a concept more easily in their first language, we can run the whole lesson that way, whichever helps them learn best.
Lessons run on Zoom or Google Meet with a shared whiteboard, so problems are worked through live. Session notes are shared afterwards, so nothing gets lost.
“Alex helped me go from a 3 in IB Maths AA HL to a confident 6 by finals. The way he explains things finally clicked.”
“Alex explains with patience I haven't found anywhere else. My son no longer panics before maths tests.”
“SAT math score went up by 120 points. Every lesson is focused, efficient and structured. No wasted time.”
Most tutors show up, explain something, and leave. At Intellix, each session is one part of a continuous cycle, so students keep improving between lessons, not just during them.
We work through the topic together, building understanding from first principles, not shortcuts. Every session ends with clarity on what to practise next.
I prepare a custom set of practice problems, targeted at exactly what was covered. The student works through them independently, applying what they've just learned.
I review every answer. Misconceptions get corrected before the next session, gaps get flagged early, and nothing slips through unnoticed. Progress compounds.
Differentiate f(x) = sin(2x).
f ′(x) = cos(2x)
chain rule missingDifferentiate the inside too: the 2 in sin(2x) comes out in front.
f ′(x) = 2 cos(2x)
Added to your personal trapsderivative of sin(2x) is 2cos(2x)
About Alex
I'm a maths graduate and former IB student who graduated with a 43/45, including a 7 in Mathematics AA HL, a 7 in Physics HL, and an A in my Mathematics Extended Essay. That experience isn't just a credential. It means I understand exactly what IB students face, and I know how to help them navigate it strategically and confidently.
The things parents usually have to ask about, answered here, so you don't have to.
Share a bit about the student's situation and goals, and I'll respond with suggested next steps and available times for a free 20-minute call.
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Thank you. I'll be in touch within 24 hours with suggested times for a free intro call.