# Road Map #2: Computation with Fractions/Introduction to Expressions

May 28th, 2015
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A. Multiplication and Division of Fractions __________ We are going to repeat the general structure of Road Map #1, only to discuss fractions. We will start with multiplication and division, which tends to be easier.

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Road Map #2: Computation with Fractions/Introduction to ExpressionsA. Multiplication and Division of Fractions __________We are going to repeat the general structure of Road Map #1, only to discuss fractions. We will start with multiplication and division, which tends to be easier.Problem 1: Evaluate: Problem 2: Evaluate: Problem 3: Evaluate: B. Addition and Subtraction of Fractions__________The most important thing about adding and subtracting fractions, by far, is finding a ________________________________________.Problem 4: Evaluate: Problem 5: Evaluate: Problem 6: Evaluate: C. Exponents__________Problem 7: Evaluate: When squaring a fraction, you must square both the numerator and denominator.Problem 8: Evaluate: D. Parentheses/Math in a Fraction__________Lets put everything together!Problem 9: Evaluate: Problem 10: Evaluate: Problem 11: Evaluate: D. Introduction to Algebraic Expressions__________Everything we have seen so far has been a numerical expression. An expression is a group of _______________ and/or _______________ added, subtracted, multiplied, or divided. A variable is a letter that stands for a _______________.When you evaluate an algebraic expression, you must do the following:a) Replace each variable in the expression with the appropriate _______________.b) Evaluate the expression, using ______________________________.We are just going to cover basic expressions in this road map. Next time, we will

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