Algebra Wednesday 81110 Agenda Create math folder Create

Algebra Wednesday 8/11/10

Agenda ► Create math folder ► Create math notebook ► Homework check ► Lesson 1. 3

Personal Mathematical Analysis of Achievement test ► Circle the problems that you missed. ► Complete the fraction of missed items for each topic. This PMAAT along with the test will be placed in your Student Led Folio for your upcoming conference.

Homework Section 1. 1: Pages 5 -7 (begin with 1 then continue 3 n where n=1, 2, 3, 4, 5, 6, etc. ) Section 1. 2: Pages 10 -12 (begin with 1 then continue 3 n where n=1, 2, 3, 4, 5, 6, etc. )

Evaluate Expressions 1. 2. 3. 4. 5. Define the following terms in your notebook: Variable Algebraic expression Power Base Exponent

Evaluate Expressions Algebraic expression Meaning Operation 5 times n Multiplication 14 divided by y Division 6+c 6 plus c Addition 8–x 8 minus x Subtraction 5(n) 5·n 14/y 5 n 14÷y

Evaluate Expressions ► Examples: copy into your note book

Order of Operations Define the following terms: 1. Order of Operations

Order of Operations 1. 2. 3. 4. Key concepts Evaluate expressions inside grouping symbols Evaluate powers Multiply and divide from left to right Add and subtract from left to right

Order of Operations Key concepts 1. 2. 3. 4. 5. 6. P E M D A S

Order of Operations 1. 2. 3. 4. 5. 6. Key concepts P arenthesis E xponent M ultiply D ivide A dd S ubtract

Write Expressions Operation Verbal phrase Expression Addition: sum, plus, The sum of 2 and a number x. 2+x The sum of a number plus 7 n+7 The difference of a number n and 6 n-6 A number y-5 12 times a number y 12 y ¼ of a number x ¼(x) k/2 total, more than, increased by Subtraction: difference, less than, minus, decreased by Multiplication: times, product, multiplied by, of Division: quotient, divided by, divided into The quotient of a number k and 2

Homework Pages 18 -20 ► 1, 2, 3 -11 odd, 13, 14, 15 -21 odd, 22 -27, 3135, 38 -46 even ►