1. What are the two most important rules we talked about on our classroom rules sheet? To Start: 10 Points

2. Chapter 1: Algebraic Expressions and Integers Section 1-1: Variables and Expressions

3.  A Variable is a letter that stands for a number.  A Variable Expression is a mathematical phrase that uses variables, numerals, and operation symbols. Vocabulary

4. Practice #1 50 – 5? Numerical Expression! c – 5? Variable Expression! Variable is “c” For the Following: Identify as a numerical expression or variable expression. For a variable expression, name the variable.

5. Practice #2 8 + x? Variable Expression! Variable is “x” c – 5? Variable Expression! Variable is “c” For the Following: Identify as a numerical expression or variable expression. For a variable expression, name the variable.

6. You Try!!! 8 * t? Variable Expression! Variable is “t” 35 / 5? Numerical Expression! Easy????? For the Following: Identify as a numerical expression or variable expression. For a variable expression, name the variable.

7. Writing in Math!! Total More than Increased by Difference Fewer than Less than Decreased by Product Times Quotient Divided by What mathematical symbol does the following represent: + + + _ _ _ _ x x ÷ ÷

8. A numberx Three more than a numberx + 3 5 less than a number nn – 5 A number z times 33z A number f divided by 12f/12 5 times the quantity 4 plus a number c5(4+c) Words  Expressions

9. The fastest dinosaur could run 60 feet in a second. Write a variable expression for the distance that dinosaur could run. Distance = 60 ft times number of seconds(s). 60s Practice #3

10. You Try!!! Bagels cost $.50 each. What’s the cost of b bagels..50(b) or.5b Two dozen eggs. 2(12) Five dozen eggs. 5(12) d dozen eggs. d(12) Write a variable expression for the following:

11. Homework!!!!  Page 6:  1-17  18-21, 30—33  1.1 Worksheet