DASKEREL deep lessons
Structured explanations, worked reasoning, guided practice, understanding checks, evidence tasks and spaced review.
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Country and pathway library · controlled beta
Undergraduate study support library — 조선민주주의인민공화국
Each subject has a concept guide, worked workbook, practical or applied protocol, case study and evidence checklist. DASKEREL originals remain separated from official, licensed and partner sources.
Timed mock assessments
Original constructed-response tasks with delayed answer guidance, explicit criteria and no easily guessed multiple-choice pattern.
21-school bridges
Links from country study pathways into DASKEREL cloud, technology, business, law, finance, health, education, engineering, creative and sustainability schools.
Official-source register
Country, authority, year, syllabus and examination evidence recorded separately before any national-alignment statement is made.
Open learning resources
Legally accessible readings and tools reviewed for relevance, accessibility, licence, date and low-bandwidth use.
Learner evidence library
Projects, portfolios and reflections controlled by the learner, with authorship, feedback and revision history.
concept guide
Academic research and writing concept and method guide
A six-unit DASKEREL guide covering problem framing, prior work, methods, ethics, creative or analytical choices, evaluation criteria and reflective practice, progressive practice and retrieval prompts for academic research and writing.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Academic research and writing worked-practice workbook
Progresses from supported examples to unfamiliar academic research and writing applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Academic research and writing applied decision case
A realistic controlled case requiring define a question or brief, review prior work, justify a method, develop iteratively, evaluate against criteria and defend revisions, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Academic research and writing mastery and evidence checklist
Checks originality, methodological fit, attribution, ethical practice, accessibility, evaluation and an honest account of limitations, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Projects must respect intellectual property, research ethics, safeguarding, site safety and any professional approval required for real-world use.
Open connected lessonconcept guide
Law and governance concept and method guide
A six-unit DASKEREL guide covering institutions, stakeholders, rights, duties, controls, incentives, records, decision criteria and the difference between description and authority, progressive practice and retrieval prompts for law and governance.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Law and governance worked-practice workbook
Progresses from supported examples to unfamiliar law and governance applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Law and governance applied decision case
A realistic controlled case requiring define the decision, establish the applicable rule or accounting basis, reconcile evidence, compare options and document approval limits, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Law and governance mastery and evidence checklist
Checks source authority, correct classification, fairness, internal control, privacy, proportionality and transparent limitations, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Learning activities do not constitute legal, tax, audit, investment, employment or regulatory advice and do not confer spending or approval authority.
Open connected lessonconcept guide
Finance and accounting concept and method guide
A six-unit DASKEREL guide covering institutions, stakeholders, rights, duties, controls, incentives, records, decision criteria and the difference between description and authority, progressive practice and retrieval prompts for finance and accounting.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Finance and accounting worked-practice workbook
Progresses from supported examples to unfamiliar finance and accounting applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Finance and accounting applied decision case
A realistic controlled case requiring define the decision, establish the applicable rule or accounting basis, reconcile evidence, compare options and document approval limits, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Finance and accounting mastery and evidence checklist
Checks source authority, correct classification, fairness, internal control, privacy, proportionality and transparent limitations, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Learning activities do not constitute legal, tax, audit, investment, employment or regulatory advice and do not confer spending or approval authority.
Open connected lessonconcept guide
Economics and business concept and method guide
A six-unit DASKEREL guide covering institutions, stakeholders, rights, duties, controls, incentives, records, decision criteria and the difference between description and authority, progressive practice and retrieval prompts for economics and business.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Economics and business worked-practice workbook
Progresses from supported examples to unfamiliar economics and business applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Economics and business applied decision case
A realistic controlled case requiring define the decision, establish the applicable rule or accounting basis, reconcile evidence, compare options and document approval limits, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Economics and business mastery and evidence checklist
Checks source authority, correct classification, fairness, internal control, privacy, proportionality and transparent limitations, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Learning activities do not constitute legal, tax, audit, investment, employment or regulatory advice and do not confer spending or approval authority.
Open connected lessonconcept guide
Computing and software concept and method guide
A six-unit DASKEREL guide covering system components, data flows, algorithms, representations, failure modes, security controls and accessibility requirements, progressive practice and retrieval prompts for computing and software.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Computing and software worked-practice workbook
Progresses from supported examples to unfamiliar computing and software applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Computing and software applied decision case
A realistic controlled case requiring decompose the problem, define inputs and expected outputs, build in an authorised sandbox, test normal and failure cases, and preserve a rollback path, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Computing and software mastery and evidence checklist
Checks correctness, traceability, security, privacy, accessibility, maintainability and evidence of testing rather than appearance alone, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. No activity authorises access to another person’s account, production system, confidential data or network without explicit permission.
Open connected lessonconcept guide
Data and artificial intelligence concept and method guide
A six-unit DASKEREL guide covering system components, data flows, algorithms, representations, failure modes, security controls and accessibility requirements, progressive practice and retrieval prompts for data and artificial intelligence.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Data and artificial intelligence worked-practice workbook
Progresses from supported examples to unfamiliar data and artificial intelligence applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Data and artificial intelligence applied decision case
A realistic controlled case requiring decompose the problem, define inputs and expected outputs, build in an authorised sandbox, test normal and failure cases, and preserve a rollback path, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Data and artificial intelligence mastery and evidence checklist
Checks correctness, traceability, security, privacy, accessibility, maintainability and evidence of testing rather than appearance alone, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. No activity authorises access to another person’s account, production system, confidential data or network without explicit permission.
Open connected lessonconcept guide
Engineering and construction concept and method guide
A six-unit DASKEREL guide covering definitions, quantities, units, models, mechanisms and the conditions under which each relationship remains valid, progressive practice and retrieval prompts for engineering and construction.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Engineering and construction worked-practice workbook
Progresses from supported examples to unfamiliar engineering and construction applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Engineering and construction applied decision case
A realistic controlled case requiring select a model, state assumptions, show each calculation or causal step, check units and test the result against an independent method, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Engineering and construction mastery and evidence checklist
Checks accuracy, dimensional consistency, uncertainty, repeatability, safety and a conclusion that does not exceed the evidence, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Real experiments, clinical decisions, construction, energised systems, machinery and environmental interventions require competent supervision and local authority.
Open connected lessonconcept guide
Mathematics and physical sciences concept and method guide
A six-unit DASKEREL guide covering definitions, quantities, units, models, mechanisms and the conditions under which each relationship remains valid, progressive practice and retrieval prompts for mathematics and physical sciences.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Mathematics and physical sciences worked-practice workbook
Progresses from supported examples to unfamiliar mathematics and physical sciences applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Mathematics and physical sciences applied decision case
A realistic controlled case requiring select a model, state assumptions, show each calculation or causal step, check units and test the result against an independent method, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Mathematics and physical sciences mastery and evidence checklist
Checks accuracy, dimensional consistency, uncertainty, repeatability, safety and a conclusion that does not exceed the evidence, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Real experiments, clinical decisions, construction, energised systems, machinery and environmental interventions require competent supervision and local authority.
Open connected lessonconcept guide
Chemistry and biological sciences concept and method guide
A six-unit DASKEREL guide covering definitions, quantities, units, models, mechanisms and the conditions under which each relationship remains valid, progressive practice and retrieval prompts for chemistry and biological sciences.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Chemistry and biological sciences worked-practice workbook
Progresses from supported examples to unfamiliar chemistry and biological sciences applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Chemistry and biological sciences applied decision case
A realistic controlled case requiring select a model, state assumptions, show each calculation or causal step, check units and test the result against an independent method, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Chemistry and biological sciences mastery and evidence checklist
Checks accuracy, dimensional consistency, uncertainty, repeatability, safety and a conclusion that does not exceed the evidence, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Real experiments, clinical decisions, construction, energised systems, machinery and environmental interventions require competent supervision and local authority.
Open connected lessonconcept guide
Public health and social care concept and method guide
A six-unit DASKEREL guide covering human needs, systems, development, inclusion, ethics, safeguarding, evidence quality and the limits of causal claims, progressive practice and retrieval prompts for public health and social care.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Public health and social care worked-practice workbook
Progresses from supported examples to unfamiliar public health and social care applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Public health and social care applied decision case
A realistic controlled case requiring frame an answerable question, compare appropriate evidence, consider lived experience and distributional effects, and design a proportionate response, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Public health and social care mastery and evidence checklist
Checks validity, inclusion, consent, safeguarding, accessibility, cultural humility and avoidance of unsupported diagnosis or causal certainty, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. DASKEREL learning never replaces a qualified teacher, clinician, social-care professional, safeguarding lead or competent local service.
Open connected lessonconcept guide
Education and learning concept and method guide
A six-unit DASKEREL guide covering problem framing, prior work, methods, ethics, creative or analytical choices, evaluation criteria and reflective practice, progressive practice and retrieval prompts for education and learning.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Education and learning worked-practice workbook
Progresses from supported examples to unfamiliar education and learning applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Education and learning applied decision case
A realistic controlled case requiring define a question or brief, review prior work, justify a method, develop iteratively, evaluate against criteria and defend revisions, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Education and learning mastery and evidence checklist
Checks originality, methodological fit, attribution, ethical practice, accessibility, evaluation and an honest account of limitations, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Projects must respect intellectual property, research ethics, safeguarding, site safety and any professional approval required for real-world use.
Open connected lessonconcept guide
Social sciences and development concept and method guide
A six-unit DASKEREL guide covering problem framing, prior work, methods, ethics, creative or analytical choices, evaluation criteria and reflective practice, progressive practice and retrieval prompts for social sciences and development.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Social sciences and development worked-practice workbook
Progresses from supported examples to unfamiliar social sciences and development applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Social sciences and development applied decision case
A realistic controlled case requiring define a question or brief, review prior work, justify a method, develop iteratively, evaluate against criteria and defend revisions, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Social sciences and development mastery and evidence checklist
Checks originality, methodological fit, attribution, ethical practice, accessibility, evaluation and an honest account of limitations, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Projects must respect intellectual property, research ethics, safeguarding, site safety and any professional approval required for real-world use.
Open connected lessonconcept guide
Languages, media and communication concept and method guide
A six-unit DASKEREL guide covering purpose, audience, vocabulary, structure, context, source perspective, interpretation and the relationship between claim and textual evidence, progressive practice and retrieval prompts for languages, media and communication.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Languages, media and communication worked-practice workbook
Progresses from supported examples to unfamiliar languages, media and communication applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Languages, media and communication applied decision case
A realistic controlled case requiring read or listen closely, annotate evidence, compare interpretations, plan a response, draft, receive feedback and revise for meaning and accuracy, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Languages, media and communication mastery and evidence checklist
Checks clarity, accuracy, contextual awareness, credible evidence, language control, accessibility and a justified interpretation, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Sources and cultural materials must be attributed, contextualised and used within licence, privacy and safeguarding requirements.
Open connected lessonconcept guide
Agriculture, environment and sustainability concept and method guide
A six-unit DASKEREL guide covering place, location, scale, spatial patterns, physical and human processes, environmental change and the limits of mapped or sampled evidence, progressive practice and retrieval prompts for agriculture, environment and sustainability.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Agriculture, environment and sustainability worked-practice workbook
Progresses from supported examples to unfamiliar agriculture, environment and sustainability applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Agriculture, environment and sustainability applied decision case
A realistic controlled case requiring define the place, scale and time period; interpret maps and data; compare representative observations; and evaluate environmental and social trade-offs, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Agriculture, environment and sustainability mastery and evidence checklist
Checks spatial accuracy, appropriate scale, representative sampling, source reliability, uncertainty and a balanced account of affected communities, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Fieldwork, environmental interventions and claims about real communities require local permission, safeguarding and competent supervision.
Open connected lessonconcept guide
Arts, design and architecture concept and method guide
A six-unit DASKEREL guide covering problem framing, prior work, methods, ethics, creative or analytical choices, evaluation criteria and reflective practice, progressive practice and retrieval prompts for arts, design and architecture.
Evidence use: Annotate the guide, complete the misconception checks and connect each claim to a worked step, cited source or explicitly labelled assumption.
Open connected lessonworked workbook
Arts, design and architecture worked-practice workbook
Progresses from supported examples to unfamiliar arts, design and architecture applications, with space for first attempts, corrections, independent checks and spaced review.
Evidence use: Retain the first attempt, feedback, corrected response and error classification so the portfolio demonstrates learning rather than only a polished answer.
Open connected lessoncase study
Arts, design and architecture applied decision case
A realistic controlled case requiring define a question or brief, review prior work, justify a method, develop iteratively, evaluate against criteria and defend revisions, comparison of alternatives and a conclusion limited by the available evidence.
Evidence use: Submit a source register, visible reasoning, sensitivity or counterargument check, conditional recommendation and the evidence that could overturn it.
Open connected lessonevidence checklist
Arts, design and architecture mastery and evidence checklist
Checks originality, methodological fit, attribution, ethical practice, accessibility, evaluation and an honest account of limitations, authorship, accessibility, source control, feedback, revision history and progression readiness.
Evidence use: Use before portfolio release and record every unresolved item. Projects must respect intellectual property, research ethics, safeguarding, site safety and any professional approval required for real-world use.
Open connected lesson15 subjects · 60 connected resources · planned languages: Korean · English bridge