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Education Concept Tracker

A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.

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Knowledge-graph map

Computing
Mastered Ready to learn LockedHover a node for its description · click to open
Computers in Everyday L…Computers in Everyday Life — frontier Identifying computers in everyday life — not just laptops but phones, tablets, smart speakers, traffic lights, washing machines; what makes something a computerReal-World RobotsReal-World Robots — locked What a robot really is — not the sci-fi version; robots in factories, robot vacuum cleaners, robot arms in surgery; that robots follow instructions given by peopleSmart Versus Not-Smart…Smart Versus Not-Smart Devices — locked Sorting objects into 'smart' (can sense and respond) and 'not smart' (just sits there); a toaster vs a smart speaker; introduction to the idea that some machines can sense and respond to the worldStep-by-Step Instructio…Step-by-Step Instructions — locked Step-by-step instructions for everyday tasks (making a sandwich, brushing teeth); that if instructions are wrong or missing, things go wrong; computers follow instructions exactly
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Fixing Fragments & Run-Ons

English · Grammar & Punctuation · procedural

Recognise and correct sentence fragments (incomplete sentences lacking a subject or predicate) and run-on sentences (two or more independent clauses joined without proper punctuation or conjunctions)

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What mastery looks like

  • Identify a sentence fragment by checking whether it has both a subject and a predicate, e.g. recognise 'Running through the park' as a fragment and correct to 'The dog was running through the park'
  • Identify a run-on sentence where two independent clauses are fused without punctuation or a conjunction, e.g. 'I like cats I also like dogs' and correct using a full stop, comma + conjunction, or semicolon
  • Edit a paragraph to fix fragments and run-ons, choosing the most effective correction strategy for each error

Check your understanding

If Fixing Fragments & Run-Ons's writing has a sentence like "Running down the street." or two ideas jammed together without any punctuation, can they spot that something's wrong and fix it?

Prerequisites

Required first

Unlocks (0 directly)

None.