Posts by JDM Educational Staff

Area is used often in mathematics for word problems in geometry and calculus. Area is vital for finding the volume and surface area of objects, but it also has numerous applications in real...

Mean and standard deviation are both used to help describe data sets, especially ones that follow a normal distribution.  We can also figure out how “extreme” a data point is by calculating...

When factoring expressions in algebra, it is sometimes helpful to find the greatest common factor of two or more numbers.  The greatest common factor also has applications in number theory and...

Polynomials and functions come up all the time in mathematics (specifically in algebra), so it helps to know how these two ideas are related. So, is a polynomial a function?  A polynomial is...

Geometric mean is less well-known than arithmetic mean (average).  However, geometric mean still has its uses, so it is helpful to know what it is, how to calculate it, and when to use...

Percentages tell us the “how much per hundred” when we have a fraction (part divided by whole).  The concept of percentages is helpful in numerous situations in everyday life. So, what...