2. Tom, Jerry, and Wilson all received a certain amount of liquid silver as an inheritance from their grandparents. Tom received 5 cups of silver, Jerry received 3 pints of silver, and Wilson received 1 quart of silver. Which answer choice is a true statement? (DOK 3) a) Wilson received more than Tom, because 1 quart is more than 5 cups. b) Tom received more than Jerry, because 5 cups is more than 3 pints. c) Wilson received the least, because he only received 4 cups. d) Tom received the least, because cups is a smaller unit than pints and quarts.

3. Pre-Algebra Obj. 7.1.g, 7.4.d

6. Giles Hall Architects design buildings and help in the construction of buildings!

7. Architects use scale drawings everyday in their line of work.

8. A Scale Drawing… is an ENLARGED or REDUCED drawing of an actual object.

10. Blueprints of a house. 2 inches : 4 feet

12. Maps 2 inches = 25 miles

14. Scale Models 1:12

15. Famous Architect Minoru Yamasaki

16. American Airlines New York City

18. Destroyed: September 11, 2001Built: December 1971

19. 1:200 Original scale model of the World Trade Center. Built 40 years ago! The height of the buildings on the model are 7 feet!

20. September 11 Museum scheduled to open in 2011.

21. You can use proportions to solve problems dealing with scales. When setting up ANY proportion: Like units have to be across from each other! Pounds  Pounds $  $ Miles  Miles Key to REMEMBER

22. Problem 1: The scale of a map is 2 inches = 25 miles. Find the actual distance if the map distance is 3 inches. = Hint: When setting up your ratios it helps to include your units! (inches, feet, miles, yards…) 2x = 75 x = 37.5 miles Step 1 Set up ratio #1: Use the scale. Step 2 Set up ratio #2: Look at what you are being asked. inches miles Step 3 Cross Multiply Step 4 Solve the equation.

23. Problem 2: On an architect’s drawing of a house, 1 inch represents 1.5 feet. If the bedroom window is 2 inches long on the drawing, how many feet will it be on the actual house? Scale: 1 in = 1.5 ft Step 1 Step 2 Step 3 Step 4

24. 1.A scale drawing has a scale of.25 inches = 6 feet. Find the length of the drawing if the actual length is 66 feet. 2.Scale:.5 inches = 10 feet If the actual length 40 feet, what is the drawing length?

25. A scale drawing is a reduced (or enlarged) drawing of an actual object.  What is a example of a scale drawing?  How do you solve problems that involve scales?  The first ratio is always your ________?  The second ratio is set up from the _______?  When setting up ANY proportion, what is VERY IMPORTANT to remember?