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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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Sorting into categories (age 6+)

Mathematics · Data & Statistics · procedural

Interpret categorical data by asking and answering questions about totals, how many in each category, and how many more or less one category has than another

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What mastery looks like

  • Answer 'how many?' for each category in a data set
  • Calculate the total number of data points across all categories
  • Compare two categories using 'how many more/fewer' language

Check your understanding

If Sorting into categories (age 6+) looks at a chart showing how many children chose each flavour of ice cream, can they answer questions like "how many chose chocolate?" and "how many more chose vanilla than strawberry?"

Prerequisites

Required first

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