Area
Area of rectangle
A= l x w
Volume of a pyramid
1/3Bh
What is the formula?
is %
_ = _
of 100
pos. + pos. =
pos.
PEMDAS
parenthesis, exponents, multiply, divide, add, subtract
Area of a triangle
1/2 bh
Volume of a prism
Bh
How to find tax
% amount + cost
neg. + neg. =
neg.
SADMEP
use for equations
Area of a trapezoid
A= 1/2h(b1+b2)
Surface Area of Rectangle
2lw x 2lh x 2wh
How to find discount
% amount - cost
pos. + neg. = & neg. + pos. =
find difference then use sign of larger absolute value
Unit Rate
1 out of something
Set up a proportion, cross multiply, then divide
Area of a circle
πr²
Surface Area of a cylinder
2πrh + 2πr2
decimal to %
move 2 places to the right
Subracting Integers
add the opposite (K.C.C)
Proportional Relationships
constant mult. by x to get y
Circumference of Circle
2πr OR πd
What does B mean?
Area of the base of the figure
decimal to fraction
write it like you read it, then simplify
multiplying and dividing integers
if signs are the same, then its positive
if signs are different, then its negative
Proportional Relationships 2
as x goes up, y goes down
if y goes up, x goes down