For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

The doubling square trick is a simple mathematical shortcut designed for class 6 to 10 students to make multiplication easier. By using the formula (n-1) × (n+1) = n² - 1, students can quickly ...

To compare numbers, you need to look to see if a number is 'greater than' or 'less than' another number. You can use symbols to help you compare numbers: Small numbers are easy to count, but when ...

NARRATOR: Yes, that is quite a hard sum. It might be easier if we separate the 17 into a 10 and a 7, and the 14 into a 10 and a 4. That gives us a 10, a 10, a 7 and a 4. Let's start by adding the ...