1. Algebraic Expressions SWBAT write algebraic expressions as word phrases, and vice versa; identify the coefficients of a term

2. Definitions  Algebraic expression A mathematic expression consisting of number, variables, and operations  Variable An unknown quantity Represented by a letter

3. Definitions  Term A number, a variable, or a product or quotient of numbers and variables  Numeral Coefficient The numeric part of a term in front of the variables  Literal Coefficient The variables of a term

4. Definitions  Constant A term with no variables

5. Expressions 38 - |7n| Constant Numerical Coefficient Literal Coefficient The difference of 38 and the absolute value of seven times n

6. Addition words  Sum  Plus  Added  Increased  More  Exceeds

7. Subtraction words  Minus  Difference  Subtracted  Decreased  Diminished  Less  Reduced

8. Multiplication words  Times  Product  Multiplied by

9. Division words  Divided  Quotient

10. Examples  The number of minutes, m, increased by 10  28 subtracted from y  Twice the number of apples  The number of girls, g, divided by 5  10(15 – n)  3n – 3 3  n(-n) - 26

11. Name the coefficients  3xb + 2/3cd  -ny +wt/5  r 2 – v 3 + 9rv

12. Classwork  WB page 15, 1-13