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GRADE 8 PRE-ALGEBRA CHECKUP

Try to answer the following five questions then click the button at the bottom of the page for answers to see how you did. What was your score out of 5.

 

 

1) Half (1/2) of the marbles in a bag are red. A third (1/3) are white. The other six (6) are blue. How many marbles are in the bag? ________

Image For Problem # 1

 

2) A fish tank is three-quarters (3/4) full. Two-thirds (2/3) of the water leaks out, leaving 10 gallons of water in the tank. What is the capacity of the fish tank?_______ gallons

 
Image For Problem # 2

 

3) On a certain map, 6 inches represents 25 miles.

How many miles does 1 1/2 feet represent?______ miles
 

 

4) A furlong is 1/8 of a mile. At 60 miles/hour, how long will it take to travel 1,440 furlongs?

_________ hours

 
1 furlong = 1/8 of a mile

 

5) The average of three numbers is 45. Two of the numbers are equal. The last number is 89. What are the two missing numbers?_____________