Samuel|Study
Lesson library

Lesson library

Lessons rebuilt as study pages — the explanation, the worked numbers, the traps and a practice set. Organised by subject, newest first. Each page carries the date it was taught and where.

Mathematics
Spread, box plots and cumulative frequency curves
Mean vs median with an outlier · standard deviation two ways · reading all five box-plot values · cumulative frequency rules and the "more than" flip · the two-sentence comparison answer
Sat 29 Aug 2026·Indigo — tuition
Physics

Nothing yet.

Chemistry

Nothing yet.

Biology

Nothing yet.

English & Humanities
Case study: animal agriculture — claims and the summit speech
Major claim vs minor claim, and why most get discarded · the two claims to write down · the Singapore evidence bank with its inferences · passage vocabulary · ethos, pathos and logos inside a 200-word speech
Sun 30 Aug 2026·The Learning Lab — tuition
Higher Chinese

Nothing yet.

Samuel Study · Raffles Institution Year 3