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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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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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Irregular past tense verbs

English · Grammar & Punctuation · procedural

Form and use the past tense of frequently occurring irregular verbs correctly (e.g., sat, hid, told, went, came, ran), recognising that these do not follow the regular -ed pattern

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What mastery looks like

  • Supply the correct past tense of common irregular verbs: go→went, see→saw, run→ran, tell→told
  • Correct over-regularised forms in writing (e.g. change 'goed' to 'went', 'hided' to 'hid')
  • Write a short recount using at least five irregular past-tense verbs accurately

Check your understanding

When Irregular past tense verbs writes about something that happened in the past with an irregular verb — like "run" or "sit" — do they write "ran" and "sat" rather than "runned" and "sitted"?

Prerequisites

Required first

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