Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
Mixed Word Problems
100

-24 5/9 + 30 7/9

What is 6 2/9? 

100

-9 2/7 - (-10 3/7)

What is 1 1/7? 
100

(-3/4) x (7/8)

What is -21/32? 

100

If you divide -16 into 5 equal parts, how much is each part equal to? 

What is -3.2? 

100

Joshua wants to buy a flat-screen TV that costs $625.  He saves $62.50 each week to buy the TV.  In how many weeks will he have enough money to make his purchase? 

What is 10 weeks? 

200

What is the sum of -6 4/5 and 6 4/5? 

What is 0? 

200

-6 4/9 - 3 2/9 - (-3 4/9) 

What is -17 8/9? 

200

(2/3) x (-4) x (9) 

What is -24? 

200

Simplify the expression:


-3 / (-2/5) 

What is 7 1/2? 

200

The deepest part of the Mariana trench (deepest trench in the world's oceans) is at an elevation of -11.033 kilometers.  The elevation of the deepest part of the Atacama trench is -8.065 kilometers.  What is the net change in elevation from the Atacama trench to the Mariana trench? 

What is -2.968 kilometers? 

300

The temperature in Bloomington on Sunday was 32.6 degrees.  On Monday, the temperature changed by -8.25 degrees.  What was the temperature on Monday? 

What is 24.35 degrees?

300

An archeologist discovered two artifacts buried beneath the ground.  She found the first artifact at an elevation of -8 2/7 meters and the second at an elevation of -35 4/7 meters.  What is the distance between these 2 elevations? 

What is 27 2/7 meters? 

300

Candice spent 5 1/4 hours doing her homework.  Her brother, Ronald, spent 1/2 that number of hours doing his homework.  How many hours did Ronald spend on his homework? 

What is 2 5/8? 

300

What is the average rate of elevation change in feet per second if a submarine dives 440 feet in 20 seconds? 

What is -22? 

300

Georgina's bank account has a current balance of -$25.50.  If she deposits $120 into the account each month, how much money will she have in the account after 4 months?

What is $454.50? 

400

Royston is driving to a popular amusement park with his family.  Royston's car had 15 1/5 gallons of gas at the start of the trip.  During the trip, he stopped at a gas station and refueled the car with 5 3/5 gallons of gas.  If the car consumed 17 4/5 gallons of gas during the trip, how many galls on gas are remaining in the tank of Royston's car? 

What is 3 gallons? 

400

Jenny wants to buy a new dress for her first school dance. 


She borrows $25.63 from her sister to help pay for the dress.  Then Jenny earns $16.33 helping her dad organize his home office.  If she gives all the earnings to her sister, how much will she still owe her sister? 

What is $9.30? 

400

Michael had $550 in his savings account.  He took out $30.75 every month for one year.  What is the net change in his account following these withdrawls?

What is -$369? 

400

Alan purchased 16 shares of company stock for $390.40.  A month later, the total value of his shares fell to $291.20.  What is the current price per share if each share costs the same? 

What is $18.20? 

400

Mark wants to fence 4 rectangular gardens, each with a length of 9 1/4 feet and a width of 4 1/2 feet.  What is the total length of fencing Mark needs to surround all 4 gardens? 

What is 110 feet? 

500

A team of deep-sea explorers is combing ocean waters in a submarine.  The submarine is at an elevation of -355 2/7 feet.  The explorers spot a humpback whale and dive downward an additional 92 4/7 feet.  The new elevation of the submarine is _________________ feet. 

What is -447 6/7 feet? 

500

The latitude value of Liverpool is 53.41 degrees, and the longitude value is -2.99 degrees.  The latitude value of Melbourne is -37.81 degrees, and the longitude value is 144.96 degrees.  How far apart are the cities in degrees latitude AND longitude? 

What is 91.22 degrees latitude and 147.95 degrees longitude? 

500

A painter takes 2 3/5 hours to paint a wall.  How many hours will the painter take to paint 8 walls if she works at the same rate the entire time? 

What is 20 4/5? 

500

A car traveled at a constant speed for 4 hours and covered 144.6 miles.  It used 12 gallons of gas to travel this distance.  How far did the car go in 1 hour?  How far did the car travel on 1 gallon of gas?

What is 36.15 miles in 1 hour and 12.05 miles on 1 gallon of gas? 

500

Ted and Robin each gave a basket of green apples to their friend Lily.  Ted's basket contains 5 apples, each weighing 7 1/4 ounces.  Robin's basket contains 6 apples, each weighing 6 1/2 ounces.  Whose basket is heavier and by how much? 

What is Robin's basket by 2.75 ounces?