Unit 1 Day 2

Unit 1 Day 2 

Concept of scale   

(VIDEO)  

Quiz: 

1.) If you are looking at a blueprint of a house and notice the scale is 1 inch is equal to 4 feet, and the bedroom is 22’ x 30’ , how big is the bedroom on the blueprint?  

     2.) Solve for X: X 

[Drawing] 

[Drawing]   5” 

  

 4”                              9” 

        21’ 

[Drawing]    3.) Solve for X 

[Drawing]                4’ 

                                       81’ 

    X 

Answer Key 

1.)     4 = 22        4x=22  

    1     x           x= 5.5”    

    4 = 30        4x=30 

    1     x           x= 7.5” 

     2.)    4 = 9           4x=45  

             5    x             x= 11.25  

     

     3.)   x = 81           21x=324 

            4    21               x= 15.4 

Youtube Video: Scale Factor by edkolu