When I design instruction or plan a lesson I always start with making a map of everything I know about the subject. The map below is an example of a
Category: High school mathematics
Teaching positive and negative numbers
A popular approach for teaching numbers is to use it to describe a property of an object or a set of object. For example, numbers are used to describe the
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.
Teaching combining algebraic expressions with conceptual understanding
In Math investigation about polygons and algebraic expressions I presented possible problems that students can explore. In this post, I will share some ideas on how the simple investigation of drawing polygons with