You need to fill an ice cube tray with water You need to fill an ice cube tray with water. Given that each cube in the tray measures 3mm and that there are 10 cubes, how much water will you need to fill it completely? a) 3mm3 b) 9 mm3 c) 27 mm3 d) 270 mm3 BELL RINGER 10/2/2012
Exploring Expressions Objective: Calculate the answer for different expressions when given the value of a variable
AGENDA Bell Ringer New Notes Practice Problems Math in the News Example HOMEWORK: page 13 1-37 odd
PEMDAS
Name the variables in the expressions above and simplify if possible Name the variables in the expressions above and simplify if possible
-2(3+z) 4t+2y +5(t – 3w) 4t+2y -5(y + 3t) Simplify
Evaluating Expressions Evaluating Expressions
Write an expression for… Three “x” squared minus y X-cubed plus 23y Write an expression for…
Parenthesis Rules
Kamilah works at DePaul University Athletic Ticket Office Kamilah works at DePaul University Athletic Ticket Office. One week she sold 15 preferred season tickets, 45 blue zone tickets and 55 general admission tickets. Write and evaluate an expression to find the amount of money Kamiliah Processed. Story Problems
Some of the students at Ogden bring lunch from home unless they are up to late to pack one. Let h be the number of lunches. Write an expression that describes a 3 week period of lunches if Jen stays up to late for 2 nights a week. Write an expression…