Practise your 2 times tables with this quiz. The 5 times table Learn all about the 5 times table and find out about multiples of 5. The 10 times table Discover the 10 times tables and try this quiz.

Multiplication is working out how many groups of something you have altogether. Division is working how many you get, after sharing a number between another number. You can use place value charts to ...

Matrix multiplication is expensive O(n^3) operations! But what if we could verify the result without doing the full computation? I implemented Freivalds' algorithm in C to probabilistically verify ...