AI Constitution

Resources · Learning tool

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.

Sign in to track your progress and get personalized recommendations. You can browse freely below.

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
← Back

10 More or 10 Less

Mathematics · Number Representation & Place Value · procedural

Mentally find 10 more or 10 less than a given two-digit number without counting

Sign in to track this

What mastery looks like

  • Given 56, quickly say 66 is 10 more and 46 is 10 less
  • Explain that adding 10 increases the tens digit by 1
  • Answer '10 more than 73' without using fingers or counting on

Check your understanding

Can 10 More or 10 Less quickly tell you what is 10 more than 43 or 10 less than 71 — without counting up or down one at a time?

Prerequisites

Required first

Helpful

Unlocks (2 directly)