Category: Math

Did you know that numbers have categories?

  Each set of numbers includes the numbers of the nested sets.  For example, all natural numbers are whole numbers and all whole numbers are integers.  Natural Numbers:  1    2    3  4  etc (the numbers you count with) Whole Numbers: …

Upcoming SAT tests

The next SAT test is scheduled for January 28.  That is only 27 days away!  If you are registered to take this test it is time to buckle down and finish your preparation.  What should you be doing?  Sign up…

Why do homework?

The movie “Those Magnificent Men in their Flying Machines” is about about a race from London to Paris in 1910. In the movie a German officer reads a book in order to learn how to fly. It doesn’t work too…

Cramer’s Rule

Cramer’s Rule is a method of solving systems of equations. There are many methods including substitution and elimination. Sometimes though the coefficients of the equation are ugly. (Ugly isn’t my terminology, it is one given to me by a student.)…