ASSIGNMENT
1. Banner You want to make a banner that says WELCOME HOME. You want the letters to be 2 feet high. You make a sketch in which the letters are 2 inches high. The entire phrase in your sketch is 20 inches long. What length of paper should you buy?
2. Lincoln A mask of Abraham Lincoln’s head was made when he was alive. The mask has a height of 9-3 inches.
a. The profile of Lincoln’s head on a penny has a height of inch. Write the scale of the penny to the mask without units.
b. The carving of Lincoln’s face on Mount Rushmore is 60 feet high. Write the scale of the mask to the carving without units.
c. Write the scale of the penny to the carving without units. d. Lincoln’s nose on the penny is about Tig inch long. Find the length of Lincoln’s nose on the carving and on the mask. Round your answers to the nearest inch.
3. Critical Thinking The ratio of the length of an object to its width is 3 : 2. A scale drawing of the object has a scale of 1 inch : 3 feet. In the scale drawing, what is the ratio of the object’s length to its width?
4. Critical Thinking Write a scale for a scale model whose dimensions are 20 times the dimensions of the actual object. Explain your reasoning.
