Integers and Absolute Value
Adding Integers
Subtracting Integers
Multiplying Integers
Dividing Integers
100
Find the absolute value.
|-7|
|13|
7
13
100
7+ (-13)
12+ (-15)
-6
-3
100
4-(-5)
9
100
(2)(-12)
(-9)(-9)
-24
81
100
(-56)/-8
21/(-3)
7
-7
200
Complete the statement using <,>, or =
|-4| _____ 2|-4| > 2
7 =|-7|
200
Your bank account has a balance of -$21. You deposit $50. What is your new balance?
$29
200
-31-14
-45
200
(-2)^3
-8
200
Your team dives for 28 lobsters over 7 days. What is the average daily lobster catch?
4 lobsters per day.
300
While playing a game, you move back 5 spaces with your roll of the number cube. Your friend moves forward 3 spaces. Write each amount as an integer.
-5, 3
300
7+5+(-2)
10
300
You are scuba diving at -8 feet. You dive 5 feet deeper. What is your position in the water?
-13 feet
300
A water tank leaks 5 gallons of water each day. What integer represents the change in the number of gallons of water in the tank after 7 days?
Leaks -35 gallons of water.
300
-10+16 ÷(-2)+7
-11
400
You are kite sailing on the ocean. The table gives your height at different times.
a) How many feet do you move each second?
b) What is your speed?
a) 2 feet each second
b) 2 feet per second
400
Use mental math to solve the equation.
n+(-20)=5
25
400
The table shows the record monthly high and low temperatures in International Falls, Minnesota.
a) Find the range of temperature in January.
b) Find the range of temperature in July.
a) 94°F
b) 64°F
400
(-7)^2*2
98
400
Find the mean of the integers.
5,-7,12,-10,15
3
500
The boiling point of a liquid is the temperature at which the vapor pressure of the liquid equals the environmental pressure surrounding the liquid.
a) Which substance in the table has the highest boiling point?
b) Is the boiling point of oxygen or iodine closer to 0°C?
a) Phosphorus
b) Oxygen
500
(-117)+125+(-67)
-59
500
Evaluate the expression.
-51-(-23)+(-16)
-44
500
2*(-3)^2-5^2
-7
500
-|-16| ÷(-8)*5^2
50