Traditionally the cards with a question, problem, or fact on one side and the answer or a related fact on the other side are called:

(A) Observations Cards (X)
(B) Placards (X)
(C) Flash Cards ()
(D) Note cards (X)

Answers: Traditionally the cards with a question, problem, or fact on one side and the answer or a related fact on the other side are called Flash Cards.