Excel can provide data analysis when you need to evaluate multiple conditions within one formula. One such example includes using nested statements. Someone might attempt to explain nested statements to a friend by giving the example of a Russian nesting doll, wherein different pieces of the function fit together to create one formula that yields a specific result.

There is a learning principal that states that being able to explain a topic to someone using non technical terms or an analogy demonstrates a true understanding of that topic. With that being said, share with the class how you would explain the function COUNTA to someone who is unfamiliar with Excel. Try not to explain how it works in Excel technically or how to perform the function, but relate it to something that can be easily understood, like the aforementioned Russian nesting doll analogy. Be creative and have fun!