The property that states that two or more numbers can be added in any order without changing the sum

The number to be divided in the division problem

To find an answer close to the exact answer by rounding or other methods

An expression that contains only numbers and operations

An answer that is smaller than the exact answer

Numbers that are close to the given numbers that make mental calculations easier

The property that states if you multiply a sum by a number you get the same result as if you would multiply the addends and then add the products

To write a fraction or expression in simplest form

The number that indicates how many times the base is used as a factor

The number you are dividing by in a division problem

A number that has a base with an exponent

An estimate that is greater than the exact answer

The property that states that for 3 or more numbers, their sum is always the same regardless of grouping

In a power, the number that is used as a factor

A rule for evaluating expressions so everyone gets the same answer