12:55StatisticsConcept explainConditional Probability (2 of 4: Introductory example)Eddie WooSuitable for: Years 7–11 / Grades 6–10 (Lower Secondary + IGCSE)Syllabus links: Classroom-ready explain of conditional probability, probability. Use when teaching this topic in Lower Secondary / IGCSE.12:55 · Concept explain · Conditional probability · ProbabilityExternal video — not proof-watched or QC’d by IMProject.
16:23NumberConcept explainWhere my explanation of Grover’s algorithm failed3Blue1BrownSuitable for: Years 7–11 / Grades 6–10 (Lower Secondary + IGCSE)Syllabus links: Classroom-ready explain of number systems. Use when teaching this topic in Lower Secondary / IGCSE.16:23 · Concept explain · Number systemsExternal video — not proof-watched or QC’d by IMProject.
8:57AlgebraConcept explainExponential growth and epidemics3Blue1BrownSuitable for: Years 8–12 / Grades 7–11Syllabus links: Classroom-ready explain of indices. Use when teaching this topic in Lower Secondary / IGCSE.8:57 · Concept explain · IndicesExternal video — not proof-watched or QC’d by IMProject.
7:10AlgebraConcept explainExpanding on Variance (2 of 3: Using alternative formula)Eddie WooSuitable for: Years 7–11 / Grades 6–10 (Lower Secondary + IGCSE)Syllabus links: Classroom-ready explain of equations, expressions. Use when teaching this topic in Lower Secondary / IGCSE.7:10 · Concept explain · Equations · ExpressionsExternal video — not proof-watched or QC’d by IMProject.
15:54GeometryEnrichmentThe Neat Alignment of the World's Biggest AntiprismStand-up MathsSuitable for: Years 10–13 / Grades 9–12 (enrichment / club)Syllabus links: Enrichment on volume from Stand-up Maths. Not core exam content — use for curiosity and discussion.15:54 · Enrichment · VolumeExternal video — not proof-watched or QC’d by IMProject.
12:20GeometryConcept explainCoordinate Geometry Triangle Question (2 of 5: Understanding the area)Eddie WooSuitable for: Years 7–11 / Grades 6–10 (Lower Secondary + IGCSE)Syllabus links: Classroom-ready explain of triangles. Use when teaching this topic in Lower Secondary / IGCSE.12:20 · Concept explain · TrianglesExternal video — not proof-watched or QC’d by IMProject.
14:26AlgebraConcept explainThe other way to visualize derivatives | Chapter 12, Essence of calculus3Blue1BrownSuitable for: Years 8–12 / Grades 7–11Syllabus links: Classroom-ready explain of rates of change, functions. Use when teaching this topic in Lower Secondary / IGCSE.14:26 · Concept explain · Rates of change · FunctionsExternal video — not proof-watched or QC’d by IMProject.
28:33NumberConcept explainTerence Tao on the cosmic distance ladder3Blue1BrownSuitable for: Years 7–11 / Grades 6–10 (Lower Secondary + IGCSE)Syllabus links: Classroom-ready explain of number systems. Use when teaching this topic in Lower Secondary / IGCSE.28:33 · Concept explain · Number systemsExternal video — not proof-watched or QC’d by IMProject.
37:24StatisticsEnrichmentDo numerical pain scales mean anything?Stand-up MathsSuitable for: Years 10–13 / Grades 9–12 (enrichment / club)Syllabus links: Enrichment on averages from Stand-up Maths. Not core exam content — use for curiosity and discussion.37:24 · Enrichment · AveragesExternal video — not proof-watched or QC’d by IMProject.
15:02GeometryEnrichmentAn Odd Property of the Sierpiński TriangleNumberphileSuitable for: Years 10–13 / Grades 9–12 (enrichment / club)Syllabus links: Enrichment on triangles from Numberphile. Not core exam content — use for curiosity and discussion.15:02 · Enrichment · TrianglesExternal video — not proof-watched or QC’d by IMProject.