This lesson pack transforms the abstract concept of Rational and Irrational numbers into a hands-on, visual experience. Instead of just memorizing definitions, students dive into the “why” by using ...

When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

In the next page there is an exercise in which students are required to classify given numbers. In the last page the solutions to these exercise are given. Enrich your secondary maths lessons with ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...