factor

multiple

a number that is a answer to a x problem, for example 7x7 = 49 so 49 is a multipule of 7.

estimation

an approximate calculation of quantity or degree or worth

factor

one of two or more whole numbers that are multiplied to get a product

order of operations

pemdas

powers of 10

A number that can be written as 10 raised to some exponent.

factor rainbow

A way to show factor pairs in a list of factors of a number. Can be used to check whether a list of factors is correct.