STAAR Proportion Problems

At the concession stand 6 hotdogs cost $6.72. At this rate, how much would 14 hotdogs cost in dollar and cents?

Mathematical Equivalence

ON

Mr. Mike took a poll in his reading class of 24 students. The ratio of students who preferred mysteries to those who did not is 4:2. How many students did not prefer mysteries?

• 4

• 6

• 8

• 12

Steve Lacy was in charge of a concession stand for the Jr High Track Meet. The table shows the totals at the end of one hour. What would be the numbers of each item at the end of four hours if he sold the same amount each hour?

h

g

f

e

140

75

90

120

60

45

100

260

Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, what is the actual distance between the 2 cities?

• 87 km

• 216 km 

• 33 km

• 192 km

Which table represents a proportional relationship? | x | y | |---|---| | 1 | 2 | | 2 | 4 | | 3 | 6 | | 4 | 8 |

• Yes

• No

The total distance a snail travels in feet, y, is directly proportional to the number of minutes

the snail travels, x.

• 2 feet per minute

• 0.5 foot per minute

• 3 feet per minute

• 0.3 foot per minute

If y is directly proportional to x, and y = 10 when x = 2, what is the value of y when x = 5?

• 15

• 20

• 25

• 30

On a graph, how would you know if a relationship is proportional?

• The line passes through the origin (0,0).

• The line is a curve.

• The line is horizontal.

• The line is vertical.

• F

• G

• H

• J

A graph shows a straight line that passes through the points (0,0) and (5,15). What is the equation of the line that represents this proportional relationship?