1. 1.1 & 1.2 Properties of Real Numbers & Algebraic Expressions
Explain why the sum or product of two rational numbers is rational, that the sum of a rational number and an irrational number is irrational, and that the product of a nonzero rational number and an irrational number is irrational
Interpret parts of an expression such as terms, factors, and coefficients

2. Order of Operations ReviewM D A S

3. Properties Review
Definitions and properties allow us to manipulate numbers and algebraic expressions.
Be sure you know:
opposite
reciprocal

4. Be sure you know:

5. Mathematical Terms & Their Meanings
operation
word or phrase
addition
subtraction
multiplication
division
powers
quantities

6. Ex 1 Ex 2 Write an algebraic expression for each phrase.
six more than a number x
seven times the quotient of a number y and 3

7. Vocabulary
term : an expression that is a number, variable, or the product of a number and one or more variables coefficient : numerical factor of a term constant term : term with no variable like terms : terms with the same variables and exponents

8. Vocabulary
evaluate : to substitute a number for each variable in an expression and simplify using the order of operations simplify : to combine all like terms and remove any parentheses

9. Evaluate the expression for

10. Ex 4 Evaluate the expression for
Does the value of the expression change if the parentheses are removed? Explain your reasoning.

11. Simplify each expression.
Ex 5 Ex 6

12. Evaluate the expression for

13. Determine if the work is correct. If not, correct it.
Ex 8 Error Analysis

14. 1.1 & 1.2 Concept Check
Ex Ex 8 Error Analysis