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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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Verb Prefixes and Meaning

English · Grammar & Punctuation · procedural

Use verb prefixes (dis-, de-, mis-, over-, re-) to change verb meaning, understanding how each prefix modifies the action expressed by the root verb

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What mastery looks like

  • Add verb prefixes to change meaning, e.g. dis- (disagree, disappear), de- (decompose, defrost), mis- (misunderstand, misbehave), over- (overlook, overreact), re- (redo, reconsider)
  • Select the appropriate verb prefix to express a specific meaning shift such as negation (dis-/mis-), reversal (de-/un-), repetition (re-), or excess (over-)
  • Distinguish verb prefixes from noun/adjective prefixes and explain how adding a prefix to a verb changes the action described

Check your understanding

If you give Verb Prefixes and Meaning a verb like "appear" and ask them to use a prefix to change its meaning, can they produce words like "disappear", "reappear", or "misrepresent" and explain what the prefix does?

Prerequisites

Required first

Unlocks (0 directly)

None.