Weston Wayland, an RWA Success Learning SAT math keywords

36 terms by thecurriers

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Translation words & key concepts to know 'cold' for the sat math section

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

addition

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

What is significant about 3-4-5

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

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