order of operations

Exploring Order of Operations

From site:  This interactive mathematics resource allows the user to explore the order of operations (brackets, exponents, multiplication, division, addition and subtraction). The resource also includes print activities, solutions, learning strategies, and a math game.

Funbrain: Operation Order

From site:  You will be shown 3 numbers and an equation.  Type in the correct number in the correct place to complete the equation. (There are 3 difficulty levels of order of operations, covering addition, subtraction, multiplication and division.)