Explanation & Modelling

Small Steps

Teach one small piece at a time, and check it before you add the next

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The steps

  1. Split the material before the lesson. Find each place where a student could first practise something, and make a cut there. A step is small enough when most of the class is likely to succeed at the first attempt. If a step requires two new ideas at once, cut it again.
  2. Teach the first step only. Explain it, demonstrate it in an example, and stop there. Save the rest of the method until after the check.
  3. Practise that step straight away. Set two or three short questions on the piece you have just taught. Ask every student to answer, on boards or in books.
    That's the first step. Before we touch the next one, three quick questions on your boards.
  4. Check the whole room, then decide. Scan the boards or the books. As a rough guide, move on when about four in five are right, adjusting for how much the next step depends on this one. When more are wrong, teach the step again in different words and check again.
    About half of us slipped on that one, so it isn't ready yet. Watch one more, then we'll go again.
  5. Add the next step and connect it to the last. Teach the new piece, then set practice that runs the new and previous steps together.
  6. Lengthen the chain until it is the whole method. Make later practice run the full sequence from the beginning. If one step gives way, reteach that step on its own, then rejoin the chain.

How you’ll know it’s working

  • Teacher talk comes in short stretches with student practice between them; from the back of the room, nobody spends ten minutes doing nothing but listening.
  • Each check puts a number on the room, and the teacher can say how many students answered correctly before the class moved on.
  • When a check comes back wrong, the lesson visibly changes course: the same step is retaught and rechecked before anything new is introduced.
  • Fewer hands go up for rescue during independent practice, because each piece of the method was secured before students encountered the whole of it.

Weigh it up

Why it’s worth it

  • The class stays with you through new material. Each piece fits within working memory, so the students who are usually lost by minute five are often still with you at minute twenty-five.
  • You find out where the method breaks down while you are still teaching it. The between-step checks tell you which step failed and for whom, while there is still lesson time to fix it.
  • Success arrives early and often, which matters for students who give up quickly: each hurdle is small enough to clear, and clearing one makes them more likely to attempt the next.
  • Attention holds better during teaching from the front, and low-level drifting shrinks, because nobody listens for long without having to do something.
  • Running the growing chain revisits the earliest steps repeatedly, so by the end of the sequence the start of the method has been retrieved and practised many times.

The costs

  • The planning effort is real. Finding the natural cut points in a topic is difficult the first time, and the right size for each step only settles after you have taught it once or twice.
  • It is slower than a single polished explanation, and a curriculum plan that assumes one-lesson coverage will feel the drag.
  • Step size is relative to the class. Steps sized for the students who need them can bore those who do not, so you need extension work ready at every check.
Worth it when
the material is new, the method has several places where it can go wrong, or the class has a history of falling apart between your explanation and their independent work. It suits any topic where you keep reteaching the whole method because one buried step never landed.
Think twice when
the content is largely familiar, where bigger steps keep the pace and small ones can read as padding; or when the task is deliberate problem-solving with tools the class already has, where clearing every bump defeats the purpose of the task.
classtested.com/techniques/small-steps — steps, signs it’s working, and trade-offs on one page. Ratings and discussion online.

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