The kind of task we ask our learners to engage in algebra communicates particular notions of algebra and with it particular use of variable. There are at least four conceptions of
Category: Algebra
What is a variable (in mathematics)?
A variable is often talked about in mathematics class as a symbol that stands for numbers. As Prof Zalman Usiskin reminds us, a variable need not only stand for numbers.
Teaching the derivative function
Most Grade 10 syllabus do not yet include the concept and calculation of derivative. At this level, the study of function which started in Year 7 and Year 8 on
How to select and sequence examples in math lessons
In my previous post about examples, I described different uses of examples in teaching mathematics. In this post I’ll give a series of examples for us to be conscious about sequencing examples in