Lawrence Hall of Science
The Math Page: Skill in Algebra: Removing Grouping Symbols
Here is a site that clearly and thoroughly explains removing grouping symbols like parentheses, braces, and brackets. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this...
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
Other
Chili Math: The Distributive Property of Multiplication Over Addition
The distributive property of multiplication over addition allows us to eliminate the grouping symbol, usually in the form of parenthesis. Illustrates the basic pattern or formula and how to apply it.
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...
Khan Academy
Khan Academy: Evaluate Expressions With Parentheses
Solve multi-step expressions with parentheses. Place parentheses in an expression to make the expression equivalent to a given number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Illustrative Mathematics
Illustrative Mathematics: Watch Out for Parentheses 1
This problem asks the student to evaluate six numerical expressions that contain the same integers and operations yet have different results due to the placement of parentheses. It helps students see the purpose of using parentheses....
Illustrative Mathematics
Illustrative Mathematics: Using Operations and Parentheses
The purpose of this task is to give learners a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...
Khan Academy
Khan Academy: Practice: Translate Expressions With Parentheses
Activity provides questions that test understanding of how to translate expressions with parentheses. Immediate feedback is given and hints or a video are available if needed.
Other
Order of Operations Is the Grammar of Mathematics
Sentences and phrases can be formed to help you remember the order of operations.