In this chapter, we look beyond the whole numbers at other numbers that are included in school mathematics in grades pre-K to 8, particularly in the upper grades. We first look at the rational numbers ...
A quick thought experiment – imagine asking students to solve the problem ½ + ¼. How do they respond? How do they get to those responses? To many, this will look like a simple problem using familiar ...
Since ancient Greece, researchers have tried to isolate special rational points on curves. Now they have the first ever ...