Using NumPy for array and matrix math in Python Many mathematical operations, especially in machine learning or data science, involve working with matrixes, or lists of numbers.

In this KS1 article you'll learn how to solve multiplication and division problems using an array. We also have a KS1 Maths videos, a quiz and lots of examples.

Long division is not the best way to divide in everyday life—it's probably better to just use your smart phone. Then why is long division still covered in math courses?