(via Veritasium) The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.

Sometimes you can divide the top and bottom of a fraction by the same number. This is called cancelling down. It is also called simplifying the fraction. You often have to write a fraction in its ...

Understanding particular concepts in maths can be very challenging, especially when learners move on from using number lines, and are required to do the math and grasp the concepts in more abstract ...

A fraction is part of a whole and is shown by writing one whole number above another. The top number is called the numerator and the bottom number is the denominator. Fractions are equivalent if they ...