What is a variable?
A letter that represents an unknown number
What are the two steps of an evaluation problem?
1. replace the number with the letter
2. simplify/solve the expression
How many quadrants are in the coordinate plane?
four
A negative plus a negative is a...
negative
A positive times a positive is a...
positive
What comes first in the order of operations?
Groupings
When I replace a number in for a letter, what should be around the number when I replace it?
parentheses
What does the "absolute value" of a number mean?
How far away that number is from zero
What is the first step in solving this problem?
6-(-4)
rewrite it as 6+4
A negative times a positive is a..
negative
Solve the following
3+8*2-7
12
Evaluate the following when x=2
x*8-1
15
What is the absolute value of -31?
31
What is -15+(-20)?
-35
(-5)(3)
-15
Solve the following
8/2 +(4+1) * 0
4
Evaluate the following when y=4
y*(y+3)-2
26
How would you describe where to graph the following point? (5,-3)
go 5 to the right from the origin, then down 3
8+(-11)
start at 8 and then go 11 steps to the left and land on -3
Solve
(-1)(-4)(-2)(0)
0
Solve the following
1+(3+(8*(7*0)))+8
12
Evaluate the following when a=5
a+a*a-a+a/a
26
Order the numbers from least to greatest
-37, -46, 52, -76, 6, -90, -17, 2, 100, 87
-90, -76, -46, -37, -17, 2, 6, 52, 87, 100
Solve
-8+(-2)-(-7)-8+2
-9
(9)(-5)/(-5)
9