36 terms

# Weston Wayland, an RWA Success Learning SAT math keywords

Translation words & key concepts to know 'cold' for the sat math section
###### PLAY
integer
numbers without fractional or decimal parts (positive, negative and/or zero)
positive numbers
any number greater than zero (don't forget fractions!)
negative numbers
any number less than zero
prime numbers
a number which can only be divided by itself and 1
Of 0, 1 & 2, which are prime?
2
consecutive
numbers that follow one after the other in a sequence (1, 2, 3...)
difference
subtract
sum
product
multiplication
percent
divide by 100 ( /100)
mean
average (add up the numbers, divide by the number of numbers
median
the middle of a set of numbers
mode
the most frequent occuring number in a set of numbers
Is a "special right" triangle
number of degrees in a triangle
180
number of degrees in a circle
360
of means
times
difference means
subtract
pythagorean theorem
If a triangle has two SIDEs that are equal it also has two
angles that are equal
An equilateral triangle has
three equal sides and three equal angles
Each angle of an equilateral triangle = x degrees
60
A number is divisible by two if...
it is even
A number is divisible by nine if....
the sum of its digits is divisible by nine
A number is divisible by three if....
the sum of its digits is divisible by three
A number is divisible by five if....
it ends in 0 or 5
A number is divisible by ten if
it ends in 0
To divide a number by 10
move the decimal place to the left by one
To multiply a number by 10
move the decimal place to the right by one
To get 10% of a number
divide the number by 10 (some people remember this as move the decimal place one to the left)
100% of a number
is the number
The square root of a number squared
is the number (sqr root of 3^^2 (or 9) is 3)
a ^^b * a^^c =
a^^(b+c)
(a^^b)^^c =
a^^(b*c)
If we multiply an equation with greater than or less than by a negative number
the sign flips
a triangle as contains angles summing to ____degrees
180 degrees