Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
Challenge
100

-98 + -36

-134

100

What is the value of -12 - (-35)

23

100

-5(9)

-45

100

-100/20

-5

100

Zander spent $5.25 for lunch every day for 5 school days.  He spent $6.75 on Saturday.  How much did he spend in all?

$33.00

200

56 + -97

-41

200

-9 - (-79)

70

200

-6 * 5 * -2

60

200

Sofia rode her bicycle 14.2 miles in 0.8 hours.  What is the average number of miles she rode per hour?

17.75 miles per hour

200

Karlie bought 3 sweaters for $19.99 each.  What was the cost of the sweaters before paying for sales tax?

$59.97

300

What is the value of -3 + 4.5 + 1.2?

2.7

300

-12 - 3 - (-4) 

-11

300

Gonzalo purchases 6 bottles that cost $5.50 each.  How much money did he spend?

$33

300

-3 2/3 / 1/3

-11

300

Luke ate 2/3 of the container of food.  If the container held 12 ounces of  rice, how many ounces of rice did Luke eat?

8 ounces

400

8.34 + 8.3 + 9.06

25.7

400

234 - 456 - 92

-314

400

What is the product of 

-1 3/8 and 2 4/5?  

-3 17/20

400

Karter's family is moving to a new home.  They packed 22 boxes in 1  5/6 hours.  What is the average number of boxes they packed per hour?


12 boxes

400

Aubrey bought a sandwich for $6.75 and a drink for $2.50.  She paid the cashier with a $20 bill.  How much change did she receive?

$10.75

500

3 1/4 + -4 5/8

-1 3/8

500

On a certain day the temperature in Seattle was -1 degrees and the temperature in Houston was 18 degrees.  How many degrees lower was the temperature in Seattle?

19 degrees

500

At Haley's school, 3/8 of the students are left-handed.  If there are 320 students, how many of them are left-handed?


120 students

500

A jug of orange juice contains 40.75 fluid ounces.  It is shared equally among 5 people.  How many ounces of orange juice does each person receive?

8.15 ounces

500

Kamdyn played a trivia game in which she lost 5 points for each incorrect answer and gained 10 points for each correct answer.  If Kamdyn answered 11 questions correctly and 4 questions incorrectly, what was her total score?

90 points