Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
Word Problems
100
12+-15
-3
100
-2.25 - 5.5
-7.75
100
-2(-3.5)=
7
100
-323.75/5
-64.75
100
A girl is snorkeling 1 meter below sea level and then dives down another 0.5 meter. How far below sea level is the girl?
1.5 meters
200

-(3/2) +-2.5

-4

200

9/10 - 5/7  (answer must be in fraction form)

13/70

200
4(-1/2)
-2
200

(7/10)/(-1/5)

-7/2

200
Renee hiked for 4 3/4 miles. After resting, Renee hiked back along the same route for 3 1/4 miles. How many more miles does Renee need to hike to return to the place where she started?
1 1/2 miles
300

Mark's song is 3 1/4 minutes long.  Vinny's song is 3/10 minutes longer.  How long is Vinny's song?

3.55 minutes or 3 11/20 or 71/20

300

Katelyn has 5/6 of a bag of hair ties.  She gives away 1/3 of them to her sister.  What fraction of hair ties does Katelyn have left?

1/2

300

In a hot dog eating contest, Homer eats three hotdogs every 12 seconds.  How many hotdogs would Homer eat in 1 minute? (Hint: how many seconds are in a minute)

15

300

Vanessa hiked a trail in 5 hours.  The trail was 56 km long.  How many kilometers (km) did Vanessa hike each hour?

11.2 km/h

300
The basketball coach made up a game to play where each player takes 10 shots at the basket. For every basket made, the player gains 10 points. For every basket missed, the player loses 15 points. The player with the highest score sank 7 baskets and missed 3. What was the highest score?
The highest score was 25 points
400

Cora raised 13/20 of her fundraising goal.  Cora's mother increased her fundraising goal by 1/5 by selling a few items at work.  What fraction of her fundraising goal has Cora raised now?

17/20

400

John had a box of 18 coins.  He sold 4/9 to a coin dealer.  How many does he have left?

10

400

72% of $1,900

$1,368

400

Jay had 14 gallons of gas in his truck.  He drove 378 miles.  How many miles did he drive per gallon?

27 miles per gallon

400
Sandy has $200 in her bank account. If she writes 6 checks for exactly $19.98, what will her account balance be after the checks are cashed?
200-119.88= 80.12 ; $80.12
500
A contestant on a game show has 30 points. She answers a question correctly to win 15 points. Then she answers a question incorrectly and loses 25 points. What is the contestant's final score?
20 points
500

The highest and lowest temperatures in Kaktovik, Alaska, are -19.5 F and -22.5 F. Temperatures for the following week are expected to be twelve degrees lower every day. What are the highest and lowest temperatures for the following week?

Lowest -34.5 F Highest -31.5 F

500
Greg sets his watch for the correct time on Wednesday. Exactly one week later, he finds that his watch has lost 3 1/4 minutes. If his watch continues to lose time at the same rate, what will be the overall change in time after 8 weeks?
-26 which is 26 minutes behind
500

Harley has 7/8 of a bag of chips.  If she splits the bag evenly between her two kids, how much of the bag does each kid get? (Your answer must be in the form of a fraction.)

7/16

500
A 30-minute TV program consists of three commercials, each 2 1/2 minutes long, and four equal-length entertainment segments. How long is each entertainment segment?
5 5/8 minutes
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