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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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Multi-Step Problem Solving

Mathematics · Mathematical Thinking · meta

Make sense of multi-step problems involving four operations, fractions, and area/volume by identifying sub-steps, choosing a strategy, and monitoring progress

What mastery looks like

  • Break a two-step word problem into parts and explain a plan before calculating
  • Choose between drawing a diagram or writing equations for a perimeter problem
  • Check a fraction-of-quantity answer by estimating: 3/5 of 20 must be more than half of 20

Check your understanding

When Multi-Step Problem Solving tackles a complex maths problem involving area, fractions, and multiple steps, do they plan their approach — estimating roughly what the answer should be before calculating, and then checking it makes sense at the end?