| Resource | Best For | Link / Access | |----------|----------|----------------| | | Video solutions for past IB questions | Free tier available | | Christos Nikolaidis | Full written solutions for AA/AI SL | christosnikolaidis.com | | IB Documents (Questionbank) | Past paper solutions (user-uploaded) | ibdocuments.com (use carefully) | | Khan Academy | Algebra, trig, calculus worked examples | khanacademy.org | | YouTube: OSC, Mitch Campbell | Problem walkthroughs | Search “IB SL core topics worked solution” | 6. Sample Worked Solution (Illustrative) Problem: Solve for ( x ): ( \log_2 (x) + \log_2 (x-2) = 3 )
If your budget is tight, form a study group and split the cost of an official PDF (with permission), or ask your school’s math department for a licensed copy. mathematics core topics sl worked solutions pdf
