Negative numbers, the irrationals, and imaginary numbers are not that easy to make sense of for many students. But this is something understandable. One only needs to check-out the histories
Category: Elementary School Math
Angles are not that easy to see
Like most numbers, geometric objects such as angles, are abstraction from properties of real objects and quantities. For example, the idea of “two-ness” can be abstracted from real objects such as
Are negative numbers less than zero?
I found this interesting article about negative numbers. It’s a quote from the paper titled The extension of the natural number domain to the integers in the transition from arithmetic to
What are the uses of examples in teaching mathematics?
Giving examples, sometimes tons of them, is not an uncommon practice in teaching mathematics. How do we use examples? When do we use them? In his paper, The purpose, design,