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AI in Schools

Design a hinge question for the middle of your lesson

By Brodie McGee ยท

Design a hinge question for the middle of your lesson

The single most useful minute in a lesson is the one at the twenty-eight-minute mark, when you stop, ask one carefully written question, and read the room. If the class has it, you move on. If they do not, you stop the planned next section and run one more worked example, right there, and do not feel bad about it. Dylan Wiliam has been writing about this for twenty years, and Harry Fletcher-Wood a decade after him, and roughly nobody in a busy Australian staffroom sits down on a Saturday afternoon and writes the hinge question for every lesson next week. The prompt below does the design work in ninety seconds. What you have to do is stop and ask it.

The prompt

You are helping me design a HINGE QUESTION for the middle of a [YEAR LEVEL] [SUBJECT] lesson in an Australian school. The question sits at roughly the 25 to 30 minute mark, after I have taught the key concept and worked one or two examples, and before I set the class off on independent practice. Its only job is to tell me, in under 90 seconds, whether the class is ready to move on or whether I need to teach the concept a second time before independent work begins.

You are working in the tradition of Dylan Wiliam on formative assessment (a hinge is the point at which the lesson bends based on evidence, not on the plan), Harry Fletcher-Wood on responsive teaching (adjust in the moment, not next lesson), and the cognitive-load research that says a student who cannot answer a hinge question will not benefit from independent practice on the same concept, they will only rehearse an error.

A HINGE QUESTION HAS FOUR PROPERTIES. All four are non-negotiable.
1. It targets the ONE key idea of the lesson. Not a peripheral fact. Not last week's revision. The thing the whole lesson is for.
2. Every student answers within 60 seconds. Multiple choice with 4 to 6 options is the cleanest format. A show-of-fingers, mini-whiteboards, or a digital poll all work. If it takes longer than 60 seconds, it is not a hinge question, it is a task.
3. Wrong answers are DIAGNOSTIC. Each incorrect option maps to a specific, common misconception. A student who picks option B is telling me exactly what they are getting wrong. "None of the above" and "I do not know" are banned as options.
4. I can read the room in under 30 seconds. I should be able to look up, count the hands or the whiteboards, and know within five seconds whether to move on or teach a second example.

CONTEXT I WILL PROVIDE

- Year level and subject: [E.G. Year 8 Maths, or VCE Unit 3 Biology]
- The specific learning intention (LI) for this lesson: [ONE SENTENCE. WHAT STUDENTS SHOULD BE ABLE TO DO BY THE END OF THE LESSON.]
- The ONE key idea the LI depends on: [ONE SENTENCE. THE CONCEPT THAT, IF THEY DO NOT HAVE IT AT MINUTE 28, EVERY MINUTE AFTER IS WASTED.]
- What I taught immediately before the hinge: [2 TO 3 SENTENCES. THE EXPLICIT TEACHING AND WORKED EXAMPLE(S) THE HINGE FOLLOWS.]
- Known misconceptions on this topic: [OPTIONAL. IF YOU LIST 2 TO 4, I WILL BUILD THEM INTO THE WRONG-ANSWER OPTIONS. IF YOU LEAVE THIS BLANK, I WILL PREDICT THE MOST LIKELY ONES.]
- Format I will use in the room: [MULTIPLE CHOICE ON THE BOARD / MINI-WHITEBOARDS / SHOW FINGERS 1 TO 5 / DIGITAL POLL. IF UNSURE, DEFAULT TO MULTIPLE CHOICE ON THE BOARD.]

WHAT I NEED YOU TO PRODUCE

1. THE HINGE QUESTION
One question stem. Followed by 4 to 6 options labelled A through F. Written so I could paste it straight onto the next slide with no editing.

2. THE CORRECT ANSWER, AND WHY
One line naming which option is correct. One line explaining, in the student's likely reasoning, why it is right (not just what makes it right in the syllabus, but why a student who understands the concept would land there).

3. THE WRONG ANSWERS, DIAGNOSTIC
For each incorrect option, one line naming the specific misconception a student would be holding to pick it. Not "they got it wrong". Instead: "picks B because they are applying the operation in the wrong order, treating the bracket as ornamental rather than binding."

4. THE PIVOT
Two short paragraphs.
Paragraph one, one to two sentences: what I should say and do IF most of the class picks the correct answer. Assume "most" means 80 percent or more. The move is to move on, but name what to say briefly so the class does not think the question was a test.
Paragraph two, one to two sentences: what I should say and do IF a significant minority (20 percent or more) picks any single wrong option. Name the exact wrong option, the exact misconception, and the exact worked example I should run in the next 5 minutes to correct it before independent practice begins. Do NOT tell me to "re-teach the concept". Give me the specific worked example.

5. THE 30-SECOND READ
One sentence describing what my eyes should be looking for in the room. If it is mini-whiteboards, tell me the scan pattern (front row first, then a diagonal). If it is a show of fingers, tell me the count that matters. If it is a poll, tell me what to project and what to hide.

RULES

- Australian English throughout. Realise, colour, behaviour, analyse. Year 8, not 8th grade.
- No em-dashes and no en-dashes anywhere. Commas, full stops, parentheses, semicolons only. Regular hyphens in compound words are fine.
- The question must be answerable from the material I just taught. Not from prior knowledge alone, and not from material I have not covered yet.
- The wrong-answer options must each be plausible enough that a student who half-listened would pick one. "The moon is made of cheese" as a distractor teaches me nothing. A distractor that captures "the student confused the numerator with the denominator" teaches me everything.
- No trick questions. A hinge is a diagnostic, not a gotcha. If a student who genuinely understands the concept could reasonably be misled by the wording, rewrite the wording.
- No two correct answers, no "select all that apply". A hinge with multiple correct answers cannot be read in 30 seconds and defeats the purpose.

Then, in a SEPARATE block below the hinge, and clearly labelled "FOR MY EYES ONLY, DO NOT SHOW STUDENTS":

- One sentence naming the ONE wrong option most likely to attract the biggest minority in a typical class of this year level. This is the pivot I should be most ready for.
- One sentence flagging any part of the question stem a strong student might over-read (a comma, an "always", a "usually") and, if so, how to soften it before the lesson.
- One sentence on what to do if the class SPLITS evenly across three or four options. That is not a hinge failure, it is a diagnosis: the concept has not landed at all, and independent practice should be replaced with a second explicit-teaching cycle for the whole class.

If any of the following are true, STOP and tell me before drafting:
- The learning intention I gave you is too broad to hinge on (e.g. "understand fractions", "engage with the text"). Ask me to sharpen the LI to a single testable proposition before you draft the question.
- The "one key idea" I named is actually two ideas stacked (e.g. "identify the theme and explain the author's technique"). Ask me which of the two the hinge should test. A hinge that tests two ideas at once cannot diagnose either.
- The concept genuinely does not admit a 60-second diagnostic (some extended-writing, open-inquiry, or performance skills do not). In that case, propose the closest legitimate alternative (a 2-minute exit ticket with a specific rubric row, a partner-check with a scripted question) rather than forcing a hinge.

What it does well

The forcing constraints do the work. Requiring diagnostic wrong answers is what stops the model returning a multiple choice question with one obviously right answer and three cartoon distractors, which is the version most teachers get from a first-pass AI prompt and quietly stop using. The pivot paragraph is the piece that earns its keep: you do not just find out the class is stuck, you get the specific worked example to run in the next five minutes, so the diagnosis translates into a move rather than into standing at the front of the room deciding what to do next. And the "for my eyes only" block naming the biggest-minority wrong option before the lesson is what lets you walk in already knowing which way the pivot is likely to go.

Where it falls over

Two honest limits. The model has never watched your class. Its prediction of the biggest-minority misconception is drawn from generic research, not from the eight students in your Period 3 who share the specific error your last cohort had, so if you have that data, feed it in through the "known misconceptions" line. Second, on some topics, especially early primary reading, extended writing, and open-inquiry science, a 60-second diagnostic genuinely does not exist. The prompt will tell you when it is being asked to force one, and it will propose the honest alternative, but you have to actually take the alternative rather than push it to produce a hinge that is not really a hinge.

Try it like this

For Year 9 Maths on solving linear equations with variables on both sides: the LI is "I can solve linear equations where the variable appears on both sides". The one key idea is "collect variables on one side by adding or subtracting the same term from both sides". Feed the prompt the two worked examples you ran, and it will give you a four-option multiple choice where option B captures the classic sign error, option C captures a student who solved for the wrong side, and the pivot paragraph gives you the exact one-line worked example to run if 20 percent pick B.

For Year 10 English on distinguishing theme from topic: the LI is "I can distinguish between the topic of a text and its theme, and phrase the theme as a claim". The one key idea is "a theme is a claim about a topic, not the topic itself". The hinge will land as a multiple choice on a short text you have taught, with distractors capturing "topic named as theme", "moral instruction stated as theme", and "plot summary offered as theme". The pivot names which of those three your class is most likely to over-choose.

For VCE Unit 3 Chemistry on Le Chatelier's principle: the LI is "I can predict the direction an equilibrium will shift when a stress is applied". The hinge will be a multiple choice on a specific reaction you introduced, with distractors capturing "confuses the effect of concentration change with temperature change", "applies the principle to rate rather than position of equilibrium", and "predicts the wrong direction for an endothermic reaction". These are the three misconceptions the VCAA examiner reports call out every year.

If you only have five minutes on a Saturday afternoon: skip the "known misconceptions" line and ask for the hinge with just the LI, the key idea, and what you taught before. The model will predict the misconceptions from research, and while its predictions will not be as sharp as your data would make them, they will still be better than no hinge at all.

Design the hinge on Saturday, teach with it on Monday, and mark the pivot moment on your lesson plan. The plan bends at that point, or it does not, but either way you know.

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