Learning Science

What Is Bloom's Taxonomy? The Ladder of Learning Explained

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Ingrid Larsen

Learning Science Writer

Last updated: August 2026

8 min read

What Is Bloom's Taxonomy? The Ladder of Learning Explained

TL;DR

Bloom's taxonomy is a framework for describing kinds of thinking, first published in 1956 by a committee led by Benjamin Bloom and revised in 2001. The revised levels are remember, understand, apply, analyze, evaluate and create. It is often drawn as a pyramid, but it is better read as a map than a strict staircase, because the levels feed each other. For self-learners its value is practical: if all your study is rereading, you are working at the lowest level, and small changes such as explaining, applying and judging ideas move you up.

If you have ever sat through teacher training, you have probably seen a colourful pyramid with words like 'remember' at the bottom and 'create' at the top. That pyramid is Bloom's taxonomy, and it is one of the most widely used frameworks in education. It is also one of the most misunderstood.

This guide explains where it came from, what each level means, the common misreading, and how you can use it on your own learning without a classroom.

Where it came from

In 1956, a committee of educators led by the psychologist Benjamin Bloom published a handbook classifying educational goals in what they called the cognitive domain. The aim was practical: give teachers and examiners a shared vocabulary for the kinds of thinking a test or lesson was asking for. The original six categories were knowledge, comprehension, application, analysis, synthesis and evaluation.

In 2001, a group including Lorin Anderson, a former student of Bloom, and David Krathwohl, one of the original authors, published a revision. They changed the nouns to verbs, to emphasise that these are things learners do, and they swapped the top two levels so that creating sits above evaluating.

The six levels of the revised taxonomy

  1. 1Remember: retrieve facts and basic concepts. Example: recall the year Constantinople fell.
  2. 2Understand: explain ideas in your own words. Example: describe why the city's walls mattered.
  3. 3Apply: use knowledge in a new situation. Example: use the idea of a chokepoint to read a different map.
  4. 4Analyze: break something into parts and see how they relate. Example: compare the causes of two sieges.
  5. 5Evaluate: make and justify a judgment. Example: argue which factor was most decisive and defend it.
  6. 6Create: produce something new from what you know. Example: write a short explainer, or design a quiz for a friend.

The revision also added a second dimension describing types of knowledge: factual, conceptual, procedural and metacognitive. That part gets far less attention, but it is a useful reminder that knowing how you learn is itself a kind of knowledge.

The common misreading: it is not a strict staircase

The pyramid image suggests you must finish one level before you are allowed onto the next, and that the bottom levels are somehow lesser. Neither idea holds up well.

  • The levels interact. Trying to apply or evaluate an idea often deepens your memory of it, so higher work can strengthen lower levels rather than waiting for them.
  • Remembering is not trivial. You cannot analyze what you cannot recall. Strong factual knowledge is the raw material for every higher level.
  • The order is debated. Researchers have questioned whether the levels form a clean hierarchy at all, and the revision itself moved two of them.
  • It was a classification tool. Bloom's committee mainly wanted to describe objectives and test questions, not to prescribe a fixed path through every lesson.

A better picture is a map of kinds of thinking. Good learning moves around the map, often within a single session.

Why it matters for self-learners

Most people studying on their own default to rereading and highlighting. Those activities live almost entirely at the remember level, and even there they are weak, because they rely on recognition rather than recall. The taxonomy gives you a simple diagnostic: what kind of thinking am I actually doing right now?

It also connects to well supported findings in learning research. Levels of processing research suggests that thinking about meaning leaves stronger memories than attending to surface features. Retrieval practice shows that pulling information out of memory beats putting it in again. Both point the same way as Bloom: do more with the material, and you remember more of it.

How to climb the ladder with small moves

You do not need long sessions to move up. Each of these takes a few minutes.

  • Remember: close the book and write down what you just read before checking. That is retrieval, and it is the foundation.
  • Understand: explain the idea out loud as if to a curious twelve year old. The Feynman Technique is built on exactly this move.
  • Apply: find one example from your own life or work where the idea shows up.
  • Analyze: ask why and how questions. Elaborative interrogation, asking 'why would this be true?', pushes you into causes and connections.
  • Evaluate: decide whether you agree, and name the strongest objection.
  • Create: make a tiny artifact. A one paragraph summary, a diagram, a question you would ask someone else.

Interactive historical scenarios are another way to practise the upper levels. Our Turning Points feature asks you to choose what you would have done at a historical crossroads before revealing the outcome, which is evaluation and prediction rather than passive reading.

A worked example

Suppose you have just read that medieval Constantinople protected its harbour with a floating chain. At the remember level, you close the page and recall the basic fact. To understand, you explain in your own words why a harbour would need protecting at all. To apply, you look at a modern port on a map and ask where a similar barrier would go. To analyze, you compare the chain with the city's land walls and ask which was harder to defeat, and why. To evaluate, you decide whether the chain was a good investment, given that an attacker eventually went around it. To create, you write three quiz questions for a friend. Six small moves, perhaps ten minutes in total, and a single fact has become a connected piece of understanding.

Where short lessons fit

A fair question is whether two minute lessons can reach anything beyond 'remember'. On their own, mostly not, and it would be dishonest to pretend otherwise. What a short lesson can do is supply a clear idea and a quick recall check, which covers the base of the map. Add thirty seconds of self-explanation afterwards, or ask yourself one 'why' question, and you are already working at understand and analyze.

Since this is our blog, a disclosure: MindSnap is our app. Its daily lessons are two minute story chapters with a recall check at the end, drawn from five flagship collections plus unlimited topics. I would describe it as a good starting rung, not the whole ladder. The higher levels still depend on what you do with the idea after the lesson ends.

The takeaway

Bloom's taxonomy is not a rigid staircase or a ranking of clever and dull thinking. It is a vocabulary for noticing what kind of work your brain is doing. If your study is mostly rereading, you are spending your time at the shallowest point on the map. Recall it, explain it, use it, question it, judge it, make something from it. Each step takes minutes, and each one makes the knowledge more your own.

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