Which One of the Following Examples of Mathematics Learning Is

Multiple Choice

Which one of the following examples of mathematics learning is the MOST compatible with a constructivist view?

A) Converting from Fahrenheit to Celsius temperatures by experimenting with actual thermometer reading
B) Simplifying an equation by following the steps listed in the textbook
C) Using a drill-and-practice computer program dealing with factoring numbers
D) Using flash cards to teach both addition and subtraction facts