Montgomery happened to find strikingly similar behavior in the prime numbers— specifically, the correlations between the ...

How did you learn the mathematical formula for pi? It was likely the way I learned it. I was told to commit the value pi = 3.14 to memory along with the formula to calculate the area of a circle.

For centuries, humans have assumed that our thinking errors set us apart from the rest of the animal kingdom. From misjudging ...

Place value describes the position of a digit in a number. It also gives the value of each digit in a number. Hundred squares, number lines, bundles of straws and tens and ones blocks can be really ...