Math Foundations | Senioritis

How do you solve a proportion? To solve a proportion, cross multiply.For example:x/5 = 3/44x = 3 x 5x = 15/4 = 3.75 A proportion is an...

How do you solve a problem involving rates? To solve a rate problem, use the units to keep things straight. For example, if asked: If snow is...

What is the average rate and how do you find it? Average rate is not simply the average of the rates. Average A per B = Total...

What is the formula used to find average? To find the average of a set of numbers, add them up and divide by how many there are.Average...

How do you quickly find the average of a series of evenly spaced numbers? For evenly spaced numbers, the average is the middle value. To find the...

If you have an average of a series of numbers, how can you find their sum? Use the formula:Sum = Average x Number of termsIf the average...

How do you find the missing number in a series when you are given the average? To find a missing number when you’re given the average, use...

How do you find the median of a set of numbers? The median of a set of numbers is the value that falls in the middle of...