INSIGHTS / Communication for Educators
How to Explain a Difficult Idea to Students
An explanation can sound clear to the teacher and still leave the class behind. The test is what learners can do with it.
THE SHORT ANSWER
Start with what they know. Test what they can do.
Begin with something students already know, introduce one new idea at a time, work through a concrete example, and ask learners to apply it in a new case. If they cannot, change the example or sequence before repeating the same words louder.
MAKE IT USEFUL
Build on what learners already know.
Ask what the class already understands.
Before explaining a ratio, for instance, ask how students compare two quantities in a familiar setting. Listen to the answer. A misconception at this point tells you which bridge is missing.
Make one distinction visible at a time.
Introduce the new concept in a short sentence. Demonstrate it once using an example with easy numbers, then show a nearby counterexample. Too many terms at once make it harder to see the difference you want students to learn.
PUT IT INTO PRACTICE
Check whether the idea can travel.
Ask for an application, not a chorus of “yes.”
Instead of “Does everyone understand?”, give learners a slightly different case and ask them to explain their choice. Collect more than one response. If the class can only repeat the demonstration, the idea may not yet transfer.
Change the route, then check again.
If the same question keeps returning, try a diagram, a different everyday example or a paired explanation. Invite a student to identify the exact step where meaning disappeared. The aim is to diagnose the gap, not to blame the listener.
QUESTIONS PEOPLE ASK
Two questions, answered plainly.
How do I know whether my explanation worked?
Ask learners to use the concept in a new example and explain why it applies. Correct recall of your original sentence alone is a weaker check.
What should I do when a student asks something I cannot answer?
Say what you know, identify what needs checking, and tell the class when you will return to it. The question can still help you locate the next lesson.
Turn insight into practice
Work on the communication moment that matters to you.
Tell us about the situation and we will help identify a useful place to start.