Order of Operations
Introduction to order of operations: This example clarifies the purpose of order of operations: to have ONE way to interpret a mathematical statement.
Negative number word problem: Use a number line to solve a word problem that includes a negative number.
Adding and subtracting negative numbers: Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3).
Multiplying positive and negative numbers: Learn some rules of thumb for multiplying positive and negative numbers.
Dividing positive and negative numbers: Discover the basics of dividing with negative numbers.