PSSA Prep

Without a calculator, subtract -10-21

• -31
• -11
• 11
• 31

Laura has a board that measures 6  11/12 feet in length. She will cut the board into pieces that are each 11/12 foot long. How many full pieces can Laura cut from her board, and how much of her board will be remaining? 

• Laura can cut the board into 6 pieces with nothing remaining.
• Laura can cut the board into 6 pieces with 11/12 foot remaining.
• Laura can cut the board into 7 pieces with 11/12 foot remaining. 
• Laura can cut the board into 7 pieces with 1/2 foot remaining. 

• A
• B
• C
• D

For the science experiment, Annie removes a cold liquid from a refrigerator and measures its temperature ever 1/2 minute. Annie finds that the temperature increases by 1  3/4 degrees Fahrenheit between each measurement for three minutes. What is the rate per minute of the temperature increase?

• 7/8  degrees Fahrenheit per minute
• 1  1/4 degrees Fahrenheit per minute
• 2  1/4 degrees Fahrenheit per minute
• 3  1/2 degrees Fahrenheit per minute

• A
• B
• C
• D

Joe has a picture that measures 8 centimeters by 12 centimeters. He creates four enlargements of the picture. The table shows the width and the length of each enlargement. 
What is the constant of proportionality between the width and the length of the pictures? 

• 0.5
• 1.2
• 1.5
• 2.5

Jaya is painting her room. She mixes 2 pints of blue paint with 5 pints of red paint to get her desired color. Which equation can be used to find the number of pints of blue paint (x) Jaya should mix with the 18 pints of red paint?

• 2/x=18/5
• 2/5=x/18
• 2/18=5/x
• x/18=5/2

Ernesto made a graph of the distance (y) in miles he can ride a bicycle in x hours. Ernesto can ride 5.5 miles in 0.5 hours. Which point on the graph represents Ernesto's rate of travel, in miles per hour?

• (0, 5.5)
• (0, 11)
• (1, 5.5)
• (1, 11) 

The ratio of the number of students in the chess club to the number of students on the math team is 1:3. The ratio of the number of students on the math team to the number of students on the quiz bowl team is 1:2. There are 4 students in the chess club. How many students are on the quiz bowl team?

• 7
• 9
• 12
• 24

Arnie buys 2  2/5 pounds of red grapes for $1.95 per pound. He buys 2  2/5 pounds of green grapes for $2.20 per pound. Which expression can be used to determine the total cost, in dollars, of the grapes Arnie buys?

• 2.4(1.95 + 2.20)
• 2.4 x 1.95 x 2.20
• (2.4 + 2.4)(1.95 + 2.20)
• (2.4 x 2.4) + (1.95 x 2.20)