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Absolute Value
Ordering Rational Numbers
Adding Rational Numbers
Subtracting Rational Numbers
Rational Numbers Word Problems
100

What is |-348.7| ?

348.7

100

Order the following numbers from least to greatest.

-36, 17, -42, -33, -54

-54, -42, -36, -33, 17

100
Find the sum.


-298 + (-342)

-640

100

Find the difference.


478 - (-253)

731

100

Brett and Alaina went mountain climbing.  Brett is 133.4 feet above sea level.  Alaina is 27.8 feet below Brett.  


What is Alaina's position relative to sea level?

Alaina is 105.6 feet above sea level.

200

What is |-16  2/3|?

16  2/3

200

Order the following numbers from least to greatest.

-1/3,  -5/12,  -1,  -2/3,  0,  -0.4

-1,  -2/3,  -5/12,  -0.4,  -1/3,  0

200

Find the sum.


34 2/5 + (-21 3/5)

12  4/5

200

Find the difference.


-94.3 - 59.6

-153.9

200

The average amount of time Brent spent in-line skating for one week was 34 minutes. During the next week, the difference between the average time and actual time spent skating was

 4  1/5 minutes         -2  1/2 minutes

-5  1/3 minutes         3.75 minutes

Order these differences from greatest to least.


4  1/5

3.75

-2  1/2

-5  1/3

300

What is  - |-13.5| ?

-13.5

300

Order the following numbers from greatest to least.

-16.4,  18.3,  -13.9,  20.1

20.1,  18.3,  -13.9,  -16.4

300

Find the sum.


-57.75 + (43.5)

-14.25  or  -14 1/4

300

Find the difference.


27  5/6  -  (-8 2/3)

36  1/2

300

Which situation describes a scuba diver that returns to the surface of the water? Choose the BEST answer.

A.) The diver starts at -15 feet and decreases his relative position by 15 feet.

B.) The diver starts at -15 feet and increases his relative position by 15 feet.

C.) The diver starts at 15 feet and increases his relative position by 15 feet.

D.) The diver starts at 15 feet and decreases his relative position by 15 feet.

B.) The diver starts at -15 feet and increases his relative position by 15 feet.

400

What is the sum of |-196| and |72|?

268

400

Point X is located at -19 on a number line.  The distance between Point X and Point Y is 11 units. 


Which number could represent Point Y?

-30  or  -8

400

Write an equivalent expression that has the same value as:

-23  2/3 + (19  4/5)

19  4/5 + (-23  2/3)      

OR

-23  2/3  -  (-19  4/5)

OR

19 4/5  -  23 2/3

400

Find the difference.


-18 1/5  -  (-9  3/4)

-8  9/20

400
Yesterday, the temperature at 8:00 a.m. was 64.7 degrees Fahrenheit.  By 4:00 p.m. the temperature had increased by 9.8 degrees.  By midnight, the temperature dropped by 12.5 degrees.  


What was the temperature at midnight?

62 degrees Fahrenheit

500

What is the difference of |-584 1/2| - |317 3/4| ?

266  3/4

500

Point S is located at -7  1/2 on a number line.  The distance between Point S and Point T is 5  1/2 units. 


Which number could represent Point T?

-13  or  -2

500

Find the sum.


-735.64 + (491 1/4)

-244.39

500

DOUBLE JEOPARDY

Write an equivalent expression that has the same value as:

-37.45 - (63.81)

-37.45  +  (-63.81)

500

Justin is trying to determine if he has enough money to buy a new video game. The game cost $54.79. He started the day with $210 in his bank account. Looking at his receipts, he has spent $87.35 at a clothing store, $42.79 at a party store, and $25.68 at a gas station. Does he have enough money to buy the video game? Explain your answer mathematically.


No, Justin doesn't have enough money.  He has $54.18 left in his bank account at the end of the day.  He needs $54.79 to purchase the new video game.  

He is $0.61 short of what he needs to buy the game.