Other
Dans Math: Lessons: Order of Operations
This is a brief explanation of the order of operations that includes some simple examples. It also has directions for dealing with parentheses and exponents.
BBC
Bbc: Algebra Revision Bite Solving Equations
BBC Schools offers a test review ("revision") of several aspects of solving equations. Content includes solving simple equations, solving equations with brackets, simplifying letters in equations, plus much more. After working through...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding Like Terms
Here is a site that clearly and thoroughly explains adding like terms, including terms with signs and terms within parentheses. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Illustrative Mathematics
Illustrative Mathematics: Words to Expressions 1
This problem allows students to see words that can describe the expression from part (c) of "5.OA Watch out for Parentheses." Additionally, the words (add, sum) and (product, multiply) are all strategically used so that the student can...
Wyzant
Wyzant: Order of Operations Worksheet
At this site from WyzAnt, students can practice their use of Please Excuse My Dear Aunt Sally with these ten questions before revealing the step-by-step work and checking their answers. Knowledge of the FOIL Method and the rules of...
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Arithmetica Obligada
In Spanish. In this activity you will learn how to use parentheses in arithmetic operations. Also practice arithmetic playing with three dice.
Oswego City School District
Regents Exam Prep Center: Order of Operations and Evaluating Expressions
Please excuse my dear Aunt Sally. This sentence takes on greater meaning when students realize it will assist them in remembering the all-important order of mathematical operations. A lesson plan, several interactive practice pages, and...