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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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Mathematical Precision

Mathematics · Mathematical Thinking · meta

Communicate with mathematical precision: use correct fraction/decimal vocabulary, name angle types accurately, specify units in measurement and money, and use notation (=, <, >, ÷, ×) correctly

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What mastery looks like

  • Distinguish between 'three fourths' and 'three quarters' and use both correctly
  • State an answer in the correct unit: '63 square centimetres' not just '63'
  • Write 15:45 in 24-hour notation and explain the distinction from 3:45 pm

Check your understanding

When Mathematical Precision writes up a maths answer involving angles, fractions, or money, do they use precise vocabulary and correct notation — like writing "acute angle", "3/4", or "£2.50" rather than vague descriptions?

Prerequisites

Required first

Helpful

Unlocks (1 directly)