1. Warm Up h is the number of hits w is the number of walks p is the number of times the player has been hit by a pitch b is the number of times at bat s is the number of sacrifice flies and bunts

2. Warm Up h is the number of hits w is the number of walks p is the number of times the player has been hit by a pitch b is the number of times at bat s is the number of sacrifice flies and bunts

3. 1.1 Expressions and Formulas Variables are letters used to represent unknown quantities. Algebraic expressions contain at least one variable. To solve apply the Order of Operations.

4. Examples 1. 2.

5. Key Concept A formula is an expression of the relationship between certain quantities.

6. Examples

7. GROUP WORK Materials: 1.One Sheet of loose-leaf paper per person 2.Pencil!!! 3.Textbook Turn to page 7. Solve problems 3, 5, and 7 together.

8. Group Work Answers

9. 1.2 Properties of Real Numbers Real numbers consist of several different kinds of numbers. Rational – The decimal form is always repeating or terminating. Irrational – the decimal form neither terminates nor repeats. Integers Whole Natural

10. Examples

11. Key Concept

12. Warm Up

13. Key Concept The additive inverse of a number: The multiplicative inverse of a number:

14. Examples

15. Key Concept

16. Examples

17. GROUP WORK Turn to page 14. Solve problems 1, 3, 9, and 17.

18. Group Work Answers Naturals, Whole, Integers, Rational, Real Irrational, Real

19. Homework Problems Lesson 1.1 Pgs. 7-8 #’s 11-15 ODD, 19-23 ODD, and #43 Lesson 1.2 Pgs. 14-15 #’s 19-25 ODD, 31-35 ODD, 37-39 ODD, and #53