Lesson 4: Practice Problems
Problem 1
A certain ceiling is made up of tiles. Every square meter of ceiling requires 10.75 tiles. Fill in the table with the missing values.
square meters of ceiling | number of tiles |
---|---|
Problem 2
On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in miles,
Problem 3
Each table represents a proportional relationship. For each, find the constant of proportionality, and write an equation that represents the relationship.
Constant of proportionality:
Equation:Constant of proportionality:
Equation:
Problem 4 From Unit 1 Lesson 11
A map of Colorado says that the scale is 1 inch to 20 miles or 1 to 1,267,200. Are these two ways of reporting the scale the same? Explain your reasoning.
Problem 5 From Unit 1 Lesson 3
Here is a polygon on a grid.
Draw a scaled copy of the polygon using a scale factor of 3. Label the copy
. Draw a scaled copy of the polygon with a scale factor
. Label it . Is Polygon
a scaled copy of Polygon ? If so, what is the scale factor that takes to ?