what is a counting number
numbers we count by 123 etc
what is pemdas
the order in which you do a problem
if < goes left its
"less than"
multiplication and division a negative and a negative =
a postive
A>7
with a open dot
What is a whole number
counting numbers and o
what does the p stand for
parenthesis
if > goes right its
greater than
postive and a postive =
a postive
6(n-8)> -18
_
N>5
with closed dot going right
what is a integer
whole numbers - +
what does E stand for
exponents
what problems can you use these in
algebra
a negative and postive =
negative
-3x+7>19
X<-4
open dot going left
rational
stops or repeats
multiplication and division
if it has a line under < is it closed dot or open dot
-
closed dot
A. - + - =
-
2(3x-4)> 10
_
x>3. closed dot going right
_
what's a irrational
they don't stop or repeat
what does a and s stand for
addition and subtraction
if its < with no line under is it closed or open dot
A postive + a postive =
a postive
1.5n<-18
n>-12
open dot going right