Category: Numbers

Percents are used all the time in everyday life to find the size of an increase or decrease and to calculate discounts in stores. You’ve probably used percentages before. “I got a 94% on the...

Factoring numbers helps us to understand prime numbers, and it is also important in algebra (for factoring, among other uses). So, what are the factors of a number?  A factor F of a whole...

If you want to visualize a range of values or graph the solutions to an inequality, you will probably use a number line.  However, there is some notation that you should be aware of, and some...

Exponents are important as part of a basic arithmetic skill set.  Exponents are used in many areas, from finance to scientific research – but what do they really mean? So, what is an...

Multiplication is important as part of a basic arithmetic skill set.  It is used in many areas, from finance to scientific research – but what does it really mean? So, what is...

Perhaps you remember problems like the following from standardized tests: Find the next two numbers in the given sequences: {3, 7, 11, 15, ___ , ____ } {1, 5, 25, 125, ___ , ____ } Do...