菜单
Ultra-condensed 1-page summaries per subject for last-minute revision. Not for learning — for RECALL of what's already learned. The night-before-exam file.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
CBSE Grade 10 Geography — Contemporary India II. Covers Resources, Agriculture, Manufacturing, and Map Work. Activate for geography concepts, map skills, and board exam preparation.
Board exam answer writing craft. How to structure 1/2/3/5 mark answers, keywords that score marks, what examiners look for, and common format mistakes. Critical for 495+ scoring.
Dedicated Assertion-Reasoning question trainer. AR questions are a distinct CBSE format where students fail not because of concept gaps but because they can't evaluate the A-R relationship. Covers the decision matrix and practice patterns.
What to do the night before, morning of, and during the exam. Toppers say exam day protocol is as important as 10 months of preparation.
Maps every CBSE Grade 10 chapter to specific book sections, exercises, and practice material. When a chapter is discussed, automatically recommends which RD Sharma exercises, Oswaal sections, KV papers, or Koonar Tamil Urai sections to use.
Competency-Based Question (CBQ) and Case Study engine for CBSE Grade 10. 50% of every 80-mark paper is now CBQ format. Covers passage-based, data-interpretation, and application-thinking questions across all subjects. CRITICAL for 495+.
| name | quick-revision-notes |
| description | Ultra-condensed 1-page summaries per subject for last-minute revision. Not for learning — for RECALL of what's already learned. The night-before-exam file. |
• Real Numbers: HCF×LCM = product. Euclid's lemma: a=bq+r
• Polynomials: sum=-b/a, product=c/a (quadratic)
• Linear Eq: substitution, elimination, cross-multiplication
• Quadratic: x=(-b±√D)/2a, D=b²-4ac, D≥0 for real roots
• AP: aₙ=a+(n-1)d, Sₙ=n/2[2a+(n-1)d]
• Triangles: AA/SAS/SSS similarity, BPT, Pythagoras
• Coordinate: distance=√[(x₂-x₁)²+(y₂-y₁)²], mid=((x₁+x₂)/2,(y₁+y₂)/2)
• Trig: sin²+cos²=1, 1+tan²=sec², 1+cot²=cosec²
• Circle: tangent⊥radius, tangents from external point are equal
• Mensuration: CSA/TSA/Volume for cylinder, cone, sphere, frustum
• Statistics: mean(3 methods), median=l+[(n/2-cf)/f]×h, mode=l+[(f₁-f₀)/(2f₁-f₀-f₂)]×h
• Probability: P(E)=favourable/total, P(E)+P(Ē)=1
CHEMISTRY:
• Reactions: combination, decomposition, displacement, double displacement, redox
• pH: 0-14, <7=acid, 7=neutral, >7=base
• Metals: reactivity series K>Na>Ca>Mg>Al>Zn>Fe>H>Cu>Ag>Au
• Carbon: tetravalency, catenation, isomers, homologous series (+CH₂)
• STATE SYMBOLS: (s)(l)(g)(aq) — ALWAYS WRITE
PHYSICS:
• V=IR, P=VI=I²R=V²/R, E=Pt, 1kWh=3.6×10⁶J
• Series: R=R₁+R₂, Parallel: 1/R=1/R₁+1/R₂
• Mirror: 1/v+1/u=1/f, m=-v/u (sign convention!)
• Lens: 1/v-1/u=1/f, P=1/f(in m)
• Myopia→concave lens, Hypermetropia→convex lens
• Fleming's Left(motor), Right(generator)
BIOLOGY:
• Nutrition: autotrophic(plants), heterotrophic(animals)
• Respiration: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP
• Heart: 4 chambers, double circulation (pulmonary+systemic)
• Excretion: kidney→nephron→Bowman's capsule→tubule
• Reproduction: budding, fission, regeneration (asexual); flower parts (sexual)
• Heredity: Mendel's laws, dominant/recessive, XX/XY sex determination
• Evolution: natural selection, speciation, fossil evidence
• Environment: food chain, 10% energy transfer, biodegradable/non-biodegradable
HISTORY:
• Nationalism: French Revolution → Vienna Congress → unification of Italy/Germany
• India: 1885(INC) → 1905(Swadeshi) → 1920(NCM) → 1930(CDM) → 1942(QIM) → 1947
• Print: Gutenberg press → Indian newspapers → role in nationalism
GEOGRAPHY:
• Resources: renewable/non-renewable, national/international
• Soil types: alluvial, black, red, laterite (know characteristics)
• Crops: kharif(monsoon), rabi(winter), zaid(summer)
• Minerals: iron ore, manganese, mica, limestone locations
• Industries: iron-steel, cotton textile, IT, sugar
ECONOMICS:
• Development: per capita income, HDI, sustainable development
• Sectors: primary/secondary/tertiary, organized/unorganized
• Money & Credit: formal(banks) vs informal(moneylender)
• Globalisation: MNCs, WTO, SEZs, liberalization 1991
POLITICAL SCIENCE:
• Power sharing: why desirable, forms (horizontal, vertical, social, political)
• Federalism: holding together vs coming together, 3 lists
• Democracy outcomes: accountable, legitimate, transparent
• Political parties: BJP, INC, CPI(M), BSP + regional parties
FIRST FLIGHT: Mandela, Anne Frank, Lencho, Bholi, Natalya, Lomov
FOOTPRINTS: Griselda, Hack Driver, Matilda (Necklace), Tricki (Dog)
WRITING: Letter(format!), Analytical paragraph(data-based), Article(title+byline)
GRAMMAR: Tense conversion, Reported speech, Modals, Subject-verb agreement
• Vetrumai: 8 cases (ஐ, ஆல், கு, இன், அது, இல், விளி)
• Vallinam: க,ச,ட,த,ப,ற | Mellinam: ங,ஞ,ண,ந,ம,ன
• Ani: உவமை, சிலேடை, தற்குறிப்பேற்றம்
• Thirukkural: அறம், பொருள், இன்பம்