2. Wednesday, August 18 Algebra I  Fill in Planner –Assignment: Practice 1-1 (Enrichment 1-1 is extra credit)  Agenda for today –Distribute Textbooks (15 minutes) –Complete textbook scavenger hunt (10 minutes) –Notes (25 minutes) –Group Practice (15 minutes) –Independent work on assignment (21 minutes)  Bell Ringers 1.1 week = _7_ days 2.1 foot = _12_ inches 3.1 nickel = _5_ cents 4.1 gallon = _4_ quarts 5.1 yard = _3_ feet School pictures will be Wednesday, August 25

3. Scavenger Hunt Answers 1.Systems of Equations and Inequalities 2.Probability of Compound Events 3.Red 4.236 5.2004 6.a keyboard 7.A monomial or the sum or difference of two or more monomials. (p. 457) 8.blue, pink, green.

4. Objective for Today’s Lesson  Students will be able to model relationships with variables, equations, and formulas. Why is this important?

5. Definitions 1.Variable: A symbol, usually a letter that represents one or more numbers. (Ex. x+3; x is a variable) 2.Algebraic expression: A mathematical phrase that uses variables, numerals, and operation symbols. (Ex. x+3; x+3 is a variable expression) 3.Equation: A mathematical statement that uses an equal sign. (Ex 3x+7=10 is an equation)

6. Write an algebraic expression or equation for each word phrase 1.Two times a number plus 5 2.7 less than 3 times a number 3.The sum of 9 and k minus 17 4.9.85 less than the product of t and 37. Rags to Riches

7. Write an equation to model the relationship in each table. Number of Days Change in Height (m) 10.165 20.330 30.495 40.660 Time (months) Length (inches) 14.1 28.2 312.3 416.4 d= number of days h= change in height h= 0.165d m= number of months l= length l=4.1m

8. Objective for Today’s Lesson  Students will be able to model relationships with variables, equations, and formulas.