foundation lesson

noun
UK /faʊnˈdeɪʃən ˈlɛsən/
US /faʊnˈdeɪʃən ˈlɛsən/

A foundation lesson is a first lesson that teaches the basic things you need to know.

We started with a foundation lesson on numbers before learning to add.


OTHER MEANINGS

2. A lesson that supports everything you learn later, like a strong base under a building.

Learning the alphabet is a foundation lesson for reading.

3. A simple first class that helps new students feel ready.

The teacher gave a foundation lesson on safety before the science experiment.

4. A lesson that teaches the most important ideas of a subject.

The foundation lesson in math covered counting and shapes.