Tag Archives: rational function

How to teach the inverse function

In What is an inverse function? I proposed a way of teaching this concept starting with its graphical representations using GeoGebra applets. Al-Zboun Lilliana in our Linkedin group shares her idea for introducing the inverse function. She says that the most difficult part in teaching this concept is to make it make sense to students and not… Read More »

Algebra test items – Graphs of rational functions

TIMSS (Trends in international Math and Science Study) classifies test items in terms of cognitive domains namely, Knowing facts, procedures, concepts; Applying the facts, procedures and concepts usually in a routine problem solving task; and, Reasoning. Click here for detailed descriptions of each. In my earlier post about this topic on using the TIMSS Assessment Framework for constructing test items I presented a set… Read More »

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