This how many times larger idea is classified mathematically as the factor of change , a concept associated with the development of proportional reasoning. Calculators and one computer classroom are used to organize, display, and facilitate interpretation of data. Note that teaching from contexts is not about doing fun, frivolous mathematics. Nevertheless, students who learn math contextually, often have more positive feelings about the subject. Note, also, that the context allows the mathematical data to come alive.
Students have to use mathematics to make sense of the context.
Their appreciation of mathematics grows when contexts are used well. The following problem is example of the power of context in addressing mathematics. Allow discussion on how to proceed with this information. Hand span should be defined as the distance from the tip of the thumb to the tip of the pinkie finger when the hand is spread open. Have all measurements done in inches.