Checking Reasonableness
Checking Reasonableness is a unit of teaching within Problem Solving, usually two to four weeks of lessons with one assessment point.
Entity profile
Every node stores the same attribute set, which is why the hierarchy can grow without new templates.
Unit
Depth 3 in the graph
math/mathematical-reasoning/problem-solving/checking-reasonableness
2,235
12 topics · 360 concepts · 1,800 micro-concepts
Chapters
Every chapter below is a full entity with its own skills, objectives, misconceptions and resource set.
Introducing Checking Reasonableness
Introducing Checking Reasonableness is a chapter within Checking Reasonableness: a coherent run of lessons that can be taught in one go.
Working with Checking Reasonableness
Working with Checking Reasonableness is a chapter within Checking Reasonableness: a coherent run of lessons that can be taught in one go.
Checking Reasonableness in Context
Checking Reasonableness in Context is a chapter within Checking Reasonableness: a coherent run of lessons that can be taught in one go.
Skills and learning objectives
Skills hang off the entity; objectives hang off the skill; activities and assessment hang off the objective.
Explain checking reasonableness
UnderstandExplain checking reasonableness accurately in a familiar context.
Activities — Modelled example on the board · Paired talk task · Mini whiteboard check
Assessment — Exit ticket of four short items
Explain checking reasonableness independently in an unfamiliar context.
Activities — Independent worksheet · Card sort · Concept-check quiz
Assessment — Marked worksheet with a marking scheme
Explain the reasoning behind checking reasonableness using correct vocabulary.
Activities — Talk-through with a partner · Write a model answer · AI Tutor Socratic session
Assessment — Extended written response, levelled
Calculate checking reasonableness
ApplyCalculate checking reasonableness accurately in a familiar context.
Activities — Modelled example on the board · Paired talk task · Mini whiteboard check
Assessment — Exit ticket of four short items
Calculate checking reasonableness independently in an unfamiliar context.
Activities — Independent worksheet · Card sort · Concept-check quiz
Assessment — Marked worksheet with a marking scheme
Compare checking reasonableness
AnalyseCompare checking reasonableness accurately in a familiar context.
Activities — Modelled example on the board · Paired talk task · Mini whiteboard check
Assessment — Exit ticket of four short items
Compare checking reasonableness independently in an unfamiliar context.
Activities — Independent worksheet · Card sort · Concept-check quiz
Assessment — Marked worksheet with a marking scheme
Explain the reasoning behind checking reasonableness using correct vocabulary.
Activities — Talk-through with a partner · Write a model answer · AI Tutor Socratic session
Assessment — Extended written response, levelled
Justify checking reasonableness
EvaluateJustify checking reasonableness accurately in a familiar context.
Activities — Modelled example on the board · Paired talk task · Mini whiteboard check
Assessment — Exit ticket of four short items
Justify checking reasonableness independently in an unfamiliar context.
Activities — Independent worksheet · Card sort · Concept-check quiz
Assessment — Marked worksheet with a marking scheme
Semantic relationships
Prerequisite and related edges are what make this a graph rather than a menu.
- ModellingUnit
- Multi-step ProblemsUnit
- ProofStrand
Misconceptions
Stored on the entity so worksheets, quizzes and lesson plans all target the same known errors.
Learners over-generalise a special case of checking reasonableness to every situation.
Correction — Present a deliberate non-example and ask why the rule fails.
Students treat checking reasonableness as a rule to memorise rather than a relationship to understand.
Correction — Anchor the rule in a visual model first, then abstract it — the model is the explanation.
Curriculum alignment
Curricula, boards and countries are data — adding one never changes the architecture.
COL-135.1
Mapped statement covering Checking Reasonableness.
AQA-568.2
Mapped statement covering Checking Reasonableness.
What comes next
Curriculum order is an edge in the graph, so every entity knows the step that follows it.
Difficulty ladder
The same entity, six levels of demand — easy through to olympiad and exam level.
Scaffolded first attempt with worked support.
Standard curriculum demand, unscaffolded.
Multi-step questions and unfamiliar contexts.
Stretch tasks that need reasoning, not recall.
Competition-style problems built on the same idea.
Board-styled questions with mark schemes.
Learning intent
Not every visitor wants the same thing. Each intent routes to the resource that actually does that job.
Audience views
Checking Reasonableness in Grade 3, surfaced differently for each reader.
AI Tutor context chain
Open the tutor from here and it already knows where you are — this is the sequence it recommends.
- 01Prerequisite lessonmodelling
- 02Video explanationChecking Reasonableness modelled end to end
- 03Interactive practiceAnswer on screen with instant checking
- 04QuizTen graded items with hints
- 05FlashcardsRetrieval on a 14-day schedule
- 06Common mistakesThe misconceptions stored on this node
- 07Harder worksheetSame concept, exam-level demand
- 08Past paper questionsBoard questions on this concept
- 09Mock testTimed, marked, with feedback
- 10Book a tutorOne-to-one on exactly this gap
Free Checking Reasonableness resources
Every format below is a free, standalone page generated from this entity — 53 of them, all interlinked.
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- Free Checking Reasonableness explanations
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- Free Checking Reasonableness real life examples
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- Free Checking Reasonableness study notes
- Free Checking Reasonableness revision notes
- Free Checking Reasonableness cheat sheets
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- Free Checking Reasonableness mind maps
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- Free Checking Reasonableness true or false questions
- Free Checking Reasonableness fill in the blanks
- Free Checking Reasonableness matching exercises
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Connected resources
30 resource types are generated for Checking Reasonableness automatically — the graph never produces an entity without them.
Concept Explanation
The idea itself, explained from first principles.
Lesson
A taught sequence with modelling and checks for understanding.
Real Life Examples
Where the idea shows up outside school.
Common Mistakes
The misconceptions and how to correct them.
AI Tutor
Socratic one-to-one practice on this exact idea.
Quiz
Graded retrieval with hints and explanations.
Question Bank
Every question filtered to this entity.
MCQs
Multiple choice items with distractor analysis.
True or False
Fast misconception checks.
Fill in the Blanks
Cloze items for vocabulary and method.
Matching
Pair terms, models and definitions.
Short Questions
One to three mark responses.
Long Questions
Extended responses with method marks.
Exam Questions
Board-styled questions and command words.
Past Papers
Authentic papers filtered to this entity.
Solved Papers
Full worked solutions and examiner notes.
Frequently asked
- What sits underneath Checking Reasonableness in the knowledge graph?
- 0 domains, 0 strands, 0 units, 3 chapters, 12 topics, 60 subtopics, 360 concepts and 1,800 micro-concepts — every one of them carrying its own worksheets, quizzes, flashcards, lesson plans and AI tutoring.
- What should a learner already know before Checking Reasonableness?
- The graph lists Modelling, Multi-step Problems, Proof as prerequisites. Each links to its own practice so a gap can be closed before moving on.
- Which grades is Checking Reasonableness taught in?
- Typically Grade 3, Grade 4, Grade 5, though every resource can be regenerated for any grade in the platform.
Related resources
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