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

Mr. Smith has an online cooking show. Before he films an episode about baking the perfect pound cake, he prepares his ingredients. His recipe calls for 2 1/2 cups of sugar for the cake and 1 1/4 cups of sugar for the vanilla glaze. How many 1/4-cup scoops of sugar does he need?

Write your answer as a whole number, fraction, or mixed number. Simplify any fractions.

15

100
3.15 + 2.25
5.40
100
8/11 - 3/11
5/11
100
5(1/3)
1 and 2/3
100
1/4 divided by 3/8
2/3
200

Marshall is learning to fly a drone. His remote control displays the drone's altitude in meters. As he brings the drone in for a landing, it drops the final 50 meters to the ground and in 6 seconds. On average how much does the drone's altitude change each second?

-50 / 6 = 

-25 / 3 = 

-8 1/3 meters per second

200
0.38 + (-1.2)
-0.82
200
- 4/13 - 8/13
-12/13
200
-3.2 x 5
-16
200
-20 divided by 0.5
-40
300

A submarine at -50 1/2 feet dives deeper by 20 1/4 feet. Write an expression and determine the diver's new depth. 

-70 3/4 feet

300
9/25 + (-17/25)
-8/25
300
-0.06 - (-0.86)
0.8
300
-1/6 (-2/3)
1/9
300
-15 divided by -5/8
24
400

You have $100.50 in your bank account. You pay a bill for $120.75. What is your new account balance?

-$20.25

400

-5/4 + 1/12

-1 1/6

400
-5/12 - (-2/24)
-1/3
400
-2.57 (-.5)
1.285
400
Emma bought 2 and 1/2 yards of ribbon to make bows for 4 of her friends. How much yard will she use for each ribbon?
5/8 yards
500

A car loses 2 1/2 gallons of gas for 4 1/3 days. What is the total change in the amount of gas used?

-10 5/6 gallons

500
To make a small amount of play dough, you can mix 1 cup of flour, 1/2 cup of salt and 1/2 cup of water. What is the total amount of ingredients added to make the play dough?
2 cups
500
The snowfall in Rochester, NY in the winter of 1999-2000 was 91.5 inches. Normal snowfall is about 76 inches per winter. How much more snow fell in the winter of 1999-2000 than is normal?
15.5 inches
500
Joe had a breakfast party. He invited four of his best friends. Each friend brought 3.4 cups of coffee. How much coffee did they all bring together?
13.6 cups
500
List all the properties for adding, subtracting, dividing, and multiplying positives and negatives?
-Add: Same sign? Yes: Add, keep sign OR No: Subtract, sign of biggest number. -Subtract: Keep, change, opposite and use addition rules -Multiply/Divide: Same sign: Answer is positive Different sign: Answer is negative