There is a reliable path through Add Maths. It starts with algebra, runs through understanding rather than memorising, and uses past papers as a diagnostic tool, not a speedrun.
To pass IGCSE Additional Mathematics, build fluent algebra first, then practise exam-style past papers under time, and rework every mistake until the method is automatic. Understanding beats memorising, because 0606 questions combine topics and rephrase the setup. Most students need 1 to 1.5 focused hours a week.
These steps are ordered deliberately. Students who skip to past papers before fixing algebra tend to repeat the same mistakes under timed conditions and wonder why the mark does not improve.
The most common pattern Teacher Au sees is a student who does many questions but repeats the same mistake each time. The student finishes the paper, checks the mark scheme, sees the right answer, and moves to the next paper, carrying the same weak step forward.
Volume of practice is only useful if each wrong answer is corrected and understood before the next attempt. Add Maths rewards the student who practises less but with more attention to why each step works, not the one who races through the most papers without pausing to absorb the method.
If your child has been practising but the marks are not moving, the issue is almost always a specific weak step that keeps propagating errors across different question types. A diagnostic pinpoints it. See MathPert's free diagnostic or read about how the weak-step method works.
There is no Cambridge-mandated grade requirement to take Add Maths 0606 alongside IGCSE Maths 0580. In practice, students who are comfortably hitting B or above in IGCSE Maths, and who can manipulate algebra without prompting, are better placed to cope with the jump.
IGCSE Additional Mathematics 0606 is harder than IGCSE Maths 0580 for most students. The extra difficulty comes from a heavier algebra load, more abstract notation, and questions that combine two or three ideas at once. Students who understand their steps rather than memorise them find it much more manageable.
Quality matters more than quantity. Work through enough past papers to cover every topic type at least twice under timed conditions. Reworking mistakes carefully after each paper is more valuable than moving on to another paper without reviewing what went wrong.
Most students need 1 to 1.5 focused hours per week of practice on top of school, assuming algebra is already solid. If the algebra foundation needs repair first, expect 2 to 3 hours per week in the first term before the load eases.
The fastest way to improve in Add Maths is not to study more broadly. It is to find the one weak step causing the most damage and fix it specifically. MathPert's diagnostic identifies this in one session.