The 20-route learning estate
eduKateSengkang is organised as a Learning Castle: existing subject hubs, level routes, examination routes and learning-system pages retain their jobs. This page is the master upgrade directory. It does not replace those owners. It makes the work visible, assigns every upgrade to one route, and gives new or substantially revised articles stable IDs so later batches can be connected without losing track of what is complete.
Numbering rule
Each route has a -000 hub pointer. Article slots then use reserved tens: -010, -020, -030 and so on. The first upgrade programme reserves up to 150 article slots per route, ending at -1500. Existing high-value URLs are upgraded in place wherever practical; the ID identifies the editorial job, not a requirement to create a new URL.
| Route | Hub ID | Primary job | Existing owner / destination | Reserved article IDs | Status |
|---|---|---|---|---|---|
| SK-01 | SK-01-000 | Homepage, Sengkang Tuition, commercial/navigation/root accuracy | Homepage / Tuition Centre owner | SK-01-010–SK-01-1500 | OPEN |
| SK-02 | SK-02-000 | Primary 1–3 English | Primary English Learning Hub | SK-02-010–SK-02-1500 | OPEN |
| SK-03 | SK-03-000 | Primary 4–6 English + PSLE English | Primary English Learning Hub / PSLE Learning Guide | SK-03-010–SK-03-1500 | OPEN |
| SK-04 | SK-04-000 | Secondary 1–2 English | English Hub | SK-04-010–SK-04-1500 | OPEN |
| SK-05 | SK-05-000 | Secondary 3–4 English + SEC English | English Hub | SK-05-010–SK-05-1500 | OPEN |
| SK-06 | SK-06-000 | Vocabulary, grammar, reading, writing and English skills | Complete English Index | SK-06-010–SK-06-1500 | OPEN |
| SK-07 | SK-07-000 | Primary 1–3 Mathematics | Mathematics Hub | SK-07-010–SK-07-1500 | OPEN |
| SK-08 | SK-08-000 | Primary 4–6 Mathematics + PSLE Mathematics | Mathematics Hub / PSLE Learning Guide | SK-08-010–SK-08-1500 | OPEN |
| SK-09 | SK-09-000 | Secondary 1–2 Mathematics | Mathematics Hub | SK-09-010–SK-09-1500 | OPEN |
| SK-10 | SK-10-000 | Secondary 3–4 Mathematics + SEC Mathematics | Mathematics Hub | SK-10-010–SK-10-1500 | OPEN |
| SK-11 | SK-11-000 | Additional Mathematics | Additional Mathematics owner | SK-11-010–SK-11-1500 | OPEN |
| SK-12 | SK-12-000 | Primary 3–4 Science | Science Hub | SK-12-010–SK-12-1500 | OPEN |
| SK-13 | SK-13-000 | Primary 5–6 Science + PSLE Science | Science Hub / PSLE Science Learning Guide | SK-13-010–SK-13-1500 | OPEN |
| SK-14 | SK-14-000 | Secondary Science + scientific reasoning | Science Hub | SK-14-010–SK-14-1500 | OPEN |
| SK-15 | SK-15-000 | Learning Castle, Learning Runtime and study methods | Learning Runtime Hub | SK-15-010–SK-15-1500 | OPEN |
| SK-16 | SK-16-000 | Examination performance, revision, assessment and error repair | Examination Craft | SK-16-010–SK-16-1500 | OPEN |
| SK-17 | SK-17-000 | Parent guides, tuition, teaching and student support | Parents’ Guide | SK-17-010–SK-17-1500 | OPEN |
| SK-18 | SK-18-000 | Algorithms, computing and advanced mathematics | Algorithms & Computing Hub | SK-18-010–SK-18-1500 | OPEN |
| SK-19 | SK-19-000 | Advanced science and world-knowledge science material | Complete Science Index | SK-19-010–SK-19-1500 | OPEN |
| SK-20 | SK-20-000 | Estate archaeology: duplication, location leakage, orphan control, cannibalisation and consolidation candidates | Learning Castle Registry | SK-20-010–SK-20-1500 | OPEN |
Article register
The first-wave titles and status ledger are live in the eduKate Sengkang Article Register | SK-01 to SK-20. Use it to claim the next article ID, see protected owners and avoid duplicating work already active in another branch.
Protection-first reader standard
All 20 branches now follow the eduKate Sengkang Reader Experience Standard: protect strong pages, connect isolated pages, improve formatting only where it helps, use bounded surgery for specific defects, and modernise only when the existing article no longer completes its reader job.
Article state
Every inspected URL receives one state before work begins: PROTECT for ranking or strategically sensitive owners; KEEP for sound pages needing no substantial rewrite; MODERNISE for useful but outdated pages; SURGERY for small bounded repairs; RETARGET for pages that need a distinct adjacent search job; CONSOLIDATION CANDIDATE for overlapping intent that requires owner review; LOCATION LEAKAGE for misplaced locality; or HISTORICAL for material worth preserving without major reinvestment.
Completion rule
An article ID becomes complete only when the assigned existing URL or new article has a defined reader job, correct owner, current factual scope, useful internal return path and no unresolved collision with another Sengkang owner. A branch can therefore inspect more than 150 URLs without rewriting 150 pages. The 150 slots are a controlled first-wave capacity, not a quota.
Castle relationship
This programme sits under the existing Learning Castle and follows its one-owner-many-routes rule. English, Mathematics, Science, Examination Craft, Learning Runtime and Algorithms retain their existing canonical roles. The master directory exists to coordinate upgrades and make unfinished work visible; it does not create twenty competing subject hubs.
Complete-index crosswalk
Use the 20 routes above to decide ownership and upgrade work. Use these Complete Archives when the job is enumeration, orphan control or direct deep-article discovery.
English Archive · Mathematics Archive · Science Archive · Examination Archive · Learning Runtime Archive · Algorithms & Computing Archive
Deep fallback discovery
The subject hubs and Complete Archives remain the preferred routes. These live indexes are the final orphan-control layer: they expose every published Page and Post through paginated internal links so newly published or unusually placed content still has a crawlable return path while specialist routing is updated.
Browse every published Page
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How to Learn Basic English (Chinese Edition) | Lesson No.071 | Listening to Implication, Attitude and Discourse | 听懂暗示、态度与篇章结构
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How to Learn Basic English (Chinese Edition) | Lesson No.072 | B2 Reading and Writing Performance | B2 阅读写作表现
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How to Learn Basic English (Chinese Edition) | Lesson No.073 | Inversion and Emphasis | 倒装与强调
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How to Learn Basic English (Chinese Edition) | Lesson No.074 | Cleft Sentences and Information Focus | 分裂句与信息焦点
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How to Learn Basic English (Chinese Edition) | Lesson No.075 | Multi-Source Synthesis and Source Positioning | 多来源综合与来源定位
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How to Learn Basic English (Chinese Edition) | Lesson No.076 | From B2 to C1 | 从 B2 走向 C1
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How to Learn Basic English (Chinese Edition) | Lesson No.077 | Advanced Hedging and Precision | 高级模糊限制与精确表达
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How to Learn Basic English (Chinese Edition) | Lesson No.078 | Cohesion Across Long Arguments | 长篇论证中的衔接
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How to Learn Basic English (Chinese Edition) | Lesson No.079 | Reading Assumptions, Bias and Framing | 阅读隐含前提、偏向与框架
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How to Learn Basic English (Chinese Edition) | Lesson No.080 | C1 Discussion and Analytical Writing | C1 讨论与分析写作
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How to Learn Basic English (Chinese Edition) | Lesson No.081 | Advanced Reporting Verbs and Source Distance | 高级转述动词与来源距离
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How to Learn Basic English (Chinese Edition) | Lesson No.082 | Lexical Bundles and Academic Phraseology | 高频学术语块与短语结构
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How to Learn Basic English (Chinese Edition) | Lesson No.083 | Listening to Nuance, Irony and Pragmatic Meaning | 听懂细微语气、反讽与语用意义
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How to Learn Basic English (Chinese Edition) | Lesson No.084 | C1 Review and Independent Performance | C1 复习与独立表现
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How to Learn Basic English (Chinese Edition) | Lesson No.085 | Advanced Collocation and Semantic Precision | 高级搭配与语义精度
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How to Learn Basic English (Chinese Edition) | Lesson No.086 | Reading Complex Evidence and Method Claims | 阅读复杂证据与方法主张
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How to Learn Basic English (Chinese Edition) | Lesson No.087 | Speaking Across Registers and Audiences | 跨语体与受众口语表达
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How to Learn Basic English (Chinese Edition) | Lesson No.088 | From C1 Toward C2 | 从 C1 走向 C2
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How to Learn Basic English (Chinese Edition) | Lesson No.089 | Precision in Metaphor, Analogy and Figurative Language | 比喻、类比与修辞语言的精确控制
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How to Learn Basic English (Chinese Edition) | Lesson No.090 | Synthesising Across Disciplines | 跨学科综合
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How to Learn Basic English (Chinese Edition) | Lesson No.091 | Advanced Editing for Meaning, Style and Register | 高级意义、风格与语体编辑
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How to Learn Basic English (Chinese Edition) | Lesson No.092 | C2-Direction Review and Expert Communication | C2 方向复习与专家沟通
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How to Learn Basic English (Chinese Edition) | Lesson No.093 | Negotiating Definitions, Standards and Criteria | 协商定义、标准与判据
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How to Learn Basic English (Chinese Edition) | Lesson No.094 | Expert Listening and Multi-Layer Source Tracking | 专家听力与多层来源追踪
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How to Learn Basic English (Chinese Edition) | Lesson No.095 | Writing Executive, Public and Technical Versions | 行政、公众与技术版本写作
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How to Learn Basic English (Chinese Edition) | Lesson No.096 | C2-Direction Capstone and Lifelong Language Maintenance | C2 方向顶点与终身语言维护
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How to Learn Basic English (Chinese Edition) | Lesson No.097 | Advanced Translation and Mediation Without Meaning Drift | 高级翻译与调解中的意义保持
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How to Learn Basic English (Chinese Edition) | Lesson No.098 | Negotiation, Consensus and Productive Disagreement | 协商、共识与建设性分歧
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How to Learn Basic English (Chinese Edition) | Lesson No.099 | Writing for Policy, Decisions and Recommendations | 政策、决策与建议写作
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How to Learn Basic English (Chinese Edition) | Lesson No.100 | Mastery Review: From Beginner to Independent Expert English | 总复习:从零基础到独立专家英语
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How to Learn Basic English (Chinese Edition) | Lesson No.101 | Research Reading and Verification | 研究阅读与验证
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How to Learn Basic English (Chinese Edition) | Lesson No.102 | Communicating Uncertainty and Confidence | 表达不确定性与置信度
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How to Learn Basic English (Chinese Edition) | Lesson No.103 | High-Stakes Professional Communication | 高风险专业沟通
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How to Learn Basic English (Chinese Edition) | Lesson No.104 | Expert Maintenance Cycle and Deliberate Practice | 专家维护循环与刻意练习
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How to Learn Basic English (Chinese Edition) | Lesson No.105 | Incident Reports, Postmortems and Learning Reviews | 事故报告、复盘与学习回顾
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How to Learn Basic English (Chinese Edition) | Lesson No.106 | Explaining Models, Assumptions and Limits | 解释模型、假设与边界
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How to Learn Basic English (Chinese Edition) | Lesson No.107 | Facilitating Meetings, Panels and Expert Q&A | 主持会议、讨论与专家问答
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How to Learn Basic English (Chinese Edition) | Lesson No.108 | Annual Language Audit and Personal Expert Portfolio | 年度语言审计与个人专家作品集
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How to Learn Basic English (Chinese Edition) | Lesson No.109 | Writing Playbooks, SOPs and Decision Guides | 编写操作手册、SOP 与决策指南
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How to Learn Basic English (Chinese Edition) | Lesson No.110 | Communicating Metrics, Dashboards and Trends | 解释指标、仪表板与趋势
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How to Learn Basic English (Chinese Edition) | Lesson No.111 | Coaching, Feedback and Performance Conversations | 教练、反馈与表现对话
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How to Learn Basic English (Chinese Edition) | Lesson No.112 | Long-Term Expert Maintenance Review | 长期专家维护复盘
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How to Learn Basic English (Chinese Edition) | Lesson No.113 | Writing Requirements, Specifications and Acceptance Criteria | 编写需求、规格与验收标准
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How to Learn Basic English (Chinese Edition) | Lesson No.114 | Knowledge Handoffs, Succession and Institutional Memory | 知识交接、传承与组织记忆
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How to Learn Basic English (Chinese Edition) | Lesson No.115 | Cross-Cultural Professional Communication | 跨文化专业沟通
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How to Learn Basic English (Chinese Edition) | Lesson No.116 | Expert Systems Review: Language as Operational Infrastructure | 专家系统复盘:把语言作为操作基础设施
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How to Learn Basic English (Chinese Edition) | Lesson No.117 | Communicating Risk, Controls and Assurance | 风险、控制与保证沟通
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How to Learn Basic English (Chinese Edition) | Lesson No.118 | Writing Change Plans, Rollouts and Rollbacks | 编写变更计划、发布与回滚
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How to Learn Basic English (Chinese Edition) | Lesson No.119 | Decision Logs, Governance and Accountability | 决策记录、治理与问责
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How to Learn Basic English (Chinese Edition) | Lesson No.120 | Expert Maintenance Capstone: Operating in English Across Systems | 专家维护顶点:用英语跨系统运作
Browse every published Post
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PSLE Science Reality Lab Vol No.006 | “It Happened on Camera” — Does a Demonstration Test Why It Happened?
9–14 minutes -
The Tutor Handbook Vol No.0034 | The Archive — How a Tutor Preserves Useful Learning History Without Letting Old Labels Control the Future
29–43 minutes -
PSLE Science Reality Lab Vol No.005 | “95% Agree” — Who Was Actually Asked?
12–17 minutes -
PSLE Science Reality Lab Vol No.004 | “X Causes Y” — What Evidence Would a Causal Headline Need?
11–16 minutes -
PSLE Science Reality Lab Vol No.003 | “It Worked for Me” — Why a Testimonial Is Not Yet a Fair Test
11–17 minutes -
PSLE Science Reality Lab Vol No.002 | “Twice as Effective” — Effective Compared With What?
15–23 minutes -
The Tutor Handbook Vol No.0033 | The Retirement — How a Tutor Decides When a Known Fragility No Longer Deserves Special Monitoring
29–43 minutes -
PSLE Science Reality Lab Vol No.001 | “Scientifically Proven” — What Was Actually Tested?
17–26 minutes -
The Tutor Handbook Vol No.0032 | The Watchlist — How a Tutor Monitors a Known Fragility Without Making It the Centre of Every Lesson
30–45 minutes -
The Tutor Handbook Vol No.0031 | The New Baseline — How a Tutor Rebuilds the Learner Model After a Weak Link Has Needed Repair Twice
30–45 minutes -
PSLE Science Reasoning Casebook Case No.001 | The Cooling Cup Mystery — When the First Result Is Not Enough
13–20 minutes -
The Tutor Handbook Vol No.0030 | The Second Repair — How a Tutor Rebuilds a Reopened Weak Link Without Automatically Repeating the First Intervention
30–46 minutes -
The Tutor Handbook Vol No.0029 | The Reopening — How a Tutor Decides When Maintenance Is No Longer Enough and a Weak Link Needs Full Repair Again
29–43 minutes -
The Tutor Handbook Vol No.0028 | The Maintenance — How a Tutor Keeps a Confirmed Gain Alive Without Returning to Full Repair
26–40 minutes -
The Tutor Handbook Vol No.0026 | The Breakthrough — How a Tutor Decides Whether a Sudden Leap Is a Real Phase Change or One Exceptional Performance
28–43 minutes -
How to Keep a PSLE Science Investigation Record That Preserves What Actually Happened
24–36 minutes -
The Tutor Handbook Vol No.0025 | The Plateau — How a Tutor Decides Whether Progress Has Stalled, Hidden or Shifted Into a New Bottleneck
31–47 minutes -
The Tutor Handbook Vol No.0024 | The Trend — How a Tutor Decides Whether Improvement Is Stable Across Several Papers
29–44 minutes -
The Tutor Handbook Vol No.0023 | The Second Full Paper — How a Tutor Decides Whether a Repair Survived Reintegration
26–39 minutes -
The Tutor Handbook Vol No.0022 | The Full Paper — How a Tutor Reads Whole-System Performance Without Losing the First Weak Link
27–41 minutes -
The Tutor Handbook Vol No.0021 | The Timed Set — How a Tutor Adds the Clock Without Confusing Speed With Learning
30–45 minutes -
The Tutor Handbook Vol No.0020 | The Mixed Set — How a Tutor Tests Method Selection When No Topic Label Announces the Answer
28–42 minutes -
The Tutor Handbook Vol No.0019 | The Changed Question — How a Tutor Tests Whether Learning Travels When the Surface Changes
29–43 minutes -
The Tutor Handbook Vol No.0018 | The Reattempt — How a Tutor Uses a Second Attempt to Separate Recognition, Repair and Real Learning
27–40 minutes -
The Tutor Handbook Vol No.0017 | The Return — What a Tutor Learns When the Student Comes Back With Evidence From Outside the Lesson
31–46 minutes -
How to Make a PSLE Science Observation Drawing That Records What You See Without Drawing What You Expect
35–53 minutes -
The Tutor Handbook Vol No.0016 | The Handover — How a Tutor Ends Each Lesson So the Learner Can Carry the Next Move Alone
34–50 minutes -
The Tutor Handbook Vol No.0015 | The Learning Contract — How Tutor and Student Divide Responsibility Without Confusing Support With Control
29–44 minutes -
How to Compare Two Worked PSLE Science Examples to Find the Reasoning Pattern They Share
25–37 minutes -
The Tutor Handbook Vol No.0014 | The Student Review — How a Tutor Gives the Learner a Voice Without Handing Over Every Decision
32–48 minutes -
How to Tell Productive Struggle From Being Truly Stuck in PSLE Science Practice
13–19 minutes -
How to Space PSLE Science Retrieval So Learning Survives Beyond the Same Day
13–19 minutes -
The Tutor Handbook Vol No.0013 | The Parent Review — How a Tutor Explains Progress, Uncertainty and the Next Decision Without Turning the Child Into a Score
35–52 minutes -
How to Read Passive Sentences in PSLE Science Without Reversing What Acts on What
13–20 minutes -
How to Read a PSLE Science Cutaway Diagram Without Treating the Cut Surface as a Real Opening
14–21 minutes -
How to Tell “How Often” From “How Long” in PSLE Science Data
14–21 minutes -
How to Keep Your Prediction From Changing What You Record in PSLE Science
22–34 minutes -
The Tutor Handbook Vol No.0012 | The First Review — How a Tutor Decides Whether to Continue, Advance, Reclassify or Stop a Learning Route
25–38 minutes -
How to Test a PSLE Science Explanation by Asking What Would Happen If One Causal Link Were Removed
14–21 minutes -
How to Work Out What a PSLE Science Investigation Actually Measured When the Outcome Word Is Broad
13–19 minutes -
How to Generate More Than One Valid Method for a PSLE Science Investigation
9–14 minutes -
How to Build a Simple Scientific Model From PSLE Science Evidence and Test What It Predicts
11–17 minutes -
The Tutor Handbook Vol No.0011 | The First Month — How Repeated Lessons Turn Early Hypotheses Into a Stable Teaching Route
27–41 minutes -
How to Use PSLE Science Flashcards to Train Reasoning Instead of Reciting Definitions
23–35 minutes -
How to Use PSLE Science Mnemonics Without Letting the Memory Trick Replace the Science
13–20 minutes -
How to Learn From a PSLE Science Teacher Correction Without Turning It Into a Magic Keyword Rule
10–15 minutes -
How to Use PSLE Science Answer Frameworks Without Letting the Template Replace the Science
12–18 minutes -
The Tutor Handbook Vol No.0010 | The Second Lesson — Test the First Hypothesis Before Turning It Into a Long-Term Plan
28–42 minutes -
The Tutor Handbook Vol No.0009 | The First Lesson — What a Tutor Should Learn About the Student Before Trying to Teach Too Much
31–47 minutes -
The Tutor Handbook Vol No.0008 | Tutor–Student Fit — Match the Right Tutor Function to the Learner’s Actual Condition
30–45 minutes
Routing rule: use this fallback only for discovery and orphan control. Canonical subject ownership, reader pathways and return logic continue to come from the Learning Castle, subject hubs and Complete Archives.
