SOLVING EQUATIONS THAT REPRESENT REAL ­ WORLD PROBLEMS ­ Per. 4.notebook
January 02, 2013
DO NOW
Plan how you would go about helping yourself to understand and complete the following problem. On New Year's Day the high temperature in Orlando,Florida was 76 F. This was 37 degrees more than the high temperature in Westwood, NJ. Write and solve an equation to find the high temperature in Westwood, NJ. 1
SOLVING EQUATIONS THAT REPRESENT REAL ­ WORLD PROBLEMS ­ Per. 4.notebook
January 02, 2013
PreAlgebra
(Corresponds to lesson 4.3 in textbook)
Objectives:
SWBAT represent and solve real world problems by writing and solving equations.
2
SOLVING EQUATIONS THAT REPRESENT REAL ­ WORLD PROBLEMS ­ Per. 4.notebook
January 02, 2013
Driskill mountain, with a height of 535 feet, is the highest point in Louisiana. It is 8214 feet lower than Guadalupe Peak, which is the highest point in Texas . Write and solve a subtraction equation to find the height of Guadalupe Peak. 3
SOLVING EQUATIONS THAT REPRESENT REAL ­ WORLD PROBLEMS ­ Per. 4.notebook
January 02, 2013
Write and solve an equation to find the expected height of the Freedom Tower, which is being built at the world trade center in New York City. The Sears Tower in Chicago is 1450 feet tall, which is 326 feet lower than the expected height of the Freedom Tower. a. 1450 = h +326; 1124 feet
b. h = 1450 ­ 326; 1124 feet
c. 1450 = h ­ 326; 1776 feet
d. 1450 ­ h = 326; 1776 feet
4
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