modelproblem

noun
UK /ˈmɒd.əlˌprɒb.ləm/
US /ˈmɑː.dəlˌprɑː.bləm/

A model problem is a simple example problem that helps you learn how to solve bigger ones.

The teacher gave us a model problem to practice before the real test.


OTHER MEANINGS

2. A problem that is used as a standard to compare other problems against.

Scientists used the model problem to check their new method.

3. A well-known problem that shows how a whole group of similar problems works.

The bridge design was a model problem for many later projects.

4. In math, a problem solved step by step to show the method.

She copied the model problem into her notebook to study later.