Skill Builders
Short sets of exam-style questions. Work each one out, then choose or type your answer: it's marked straight away and your mastery updates.
Focus picks your weakest sub-topics first, then what your class covered in recent lessons.
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All maths skills
Skill Builder
How it works
- 1 Read the worked example
- 2 Answer every question on paper
- 3 Choose or type each answer and check it
- 4 Hand in: it's marked for you
Your questions
Work it out on paper, then check your answer. You get a second try.
📷 Upload your working (optional: your teacher sees it with your answers)
One or more photos, or a PDF, covering all your questions (up to 12 files). Lay the page flat with the question numbers showing.
AI marking is for our own questions and your own work only — please don’t upload official IB exam papers or mark schemes.
+ Add photos or a PDF