Math

Natural numbers

whole positive numbers

integers

positive and negative numbers

rational numbers

numbers that can be written as a fraction using two integers

real numbers

all the numbers that fill the number line

multiples

when you time a number by another or itself e.g 2= {2,4,6,8,10,12,14,16,18,20}

Lowest Common Multiple

the smallest number two numbers will divide into

Divisors

A number that you can divide into without a remainder

Factors

a group of numbers that multiply together to give you a desired number

Highest Common Factor

the largest number that divides into two or more numbers

Prime numbers

natural numbers that are greater than one that only have two divisors, itself and one.

Square numbers

to multiply a number by itself

Square root

the inverse operation of squaring,

()

brackets in math mean multiply

+,+ -,-

if two symbols are the same it makes a positive number

+,- -,+

If two symbols are different it make a negative number

BIRDMAS

brackets, indices, roots, division, multiplication, addition, subtraction.