Absolute Value
Find the absolute value of:
l-45l
45
9+(-11)=
-2
Multiply
-10x11
-110
Evaluate the expression when k=-3, m=-6, and n=9.
-5+k-n
-17
You go down 8 floors in an elevator. Your friend goes up 5 floors in ana elavator. Write each number as an integer.
You -8
Your friend +5
Complete the statement with >,<, or =
l-4l -6
>
-12-(-12)=
0
Divide
-49/(-7)
7
Evaluate the expression when a=4, b=-5, and c=-8.
-b+c
-3
The temperature is -3F at 7:00AM. During the next 4 hours the temperature increases by 21F. What is the temperature at 11:00AM?
18F
Order the values from least to greatest:
-12, l-26l, -15, l-12l, l10l-15, -12, l10l, l-12l, l-26l
-12+25+(-15)=
-2
Multiply:
-6x3x(-2)
36
Evaluate the expression when a=-2, b=3, and c=-8.
ab3-ac
38
A shark is at -80 feet. It swims up and jumps out of the water to a height of 15 feet. Write a subtraction expression for the vertical distance the shark travels.
15-(-80)
Determine whether n>0 or n<0
n + l-nl = 0
n<0
-15-7-(-11)=
-11
An alligator population in a nature preserve in the Everglades decreases by 60 alligators over 5 years. What is the mean yearly change in the alligator population?
-12 alligators
Evaluate the expression:
-52(4)
-100
A snowboarder decends a 1200 ft hill in 3 minutes. What is the mean change in elevation per minute?
-400ft/min
Determine whether n>0 or n<0
n + l-nl = 2n
n>0
Tell whether the difference between the 2 integers is always, sometimes, or never positive.
two positive integers
Sometimes, it's positive only if the first integer is greater than the second.
Two integers a and b have a product of 24. What is the least possible sum of a and b?
-25
Evaluate the expression when x=10, y=-2, and z=-5.
10y2/z
-8
Find the next two numbers in the pattern and describe the pattern:
-128, 64, -32, 16,....
-8, 4
Divide the previous number by 2.