## Simplifying Expressions: Removing Parentheses 9.4

Posted: May 3, 2012 in Uncategorized

### Homework: MJ pages 334-336

Practice Exercises:

Interacive Practice:

Simplifying Algebraic Expressions

These interactives require you to drag the simplified equations to their correct positions. Not sure where to start? See Exercise 11B in the Maths Dimensions 7 coursebook.

Click here to start the interactive: Simplifying Algebraic Expressions: A.

Click here to start the interactive: Simplifying Algebraic Expressions: B.

Click here to start the interactive: Simplifying Algebraic Expressions: C.

Combining Like Terms.  This lesson explains the process of combining like terms to simplify an expression or an equation using addition and subtraction of the coefficients of terms.

Combining Like Terms and Solving.  Simplify each equation by combining like terms, then solve. Enter exponents using the ^ symbol. For example, “five x squared” should be entered as “5x^2”.

Graphical Universal Expression Simplifier and Solver.  Check this one out — you supply the expression and the site returns the answer, a short animated solution, and detailed step-by-step instructions.  Pretty amazing stuff!

Expressions Calculator.  When you enter an expression into the calculator, the calculator will simplify the expression by expanding multiplication and combining like terms. Additional capabilities including factoring will be added with future updates. Use the following rules to enter expressions into the calculator.

Equation Calculator.  When you enter an equation into the calculator, the calculator will begin by expanding (simplifying) the problem. Then it will attempt to solve the equation by using one or more of the following: addition, subtraction, division, taking the square root of each side, factoring, and completing the square.

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