Math Review

rational numbers that contain no fractions or decimals.{…,-2, -1, 0, 1, 2, …}

in addition, numbers may be added together in any order.

difference between two numbers.

the result when two numbers are multiplied.

the number resulting from dividing one number by another.

the way factors are grouped does not change a product.

mathematical statement containing an equal sign, to show that two expressions are equal.

a mathematical operation where a number is added to itself a number of times.

multiplying a number same as multiplying its addends by the number, then adding the products

all positive integers and the number 0.{0, 1, 2, 3, … }

in addition, no matter how the numbers are grouped, the answer will always be the same

sum of two numbers times a third number is equal to the sum of addend times the third number.

when zero is added to a number the result is the number itself.

when a number is multiplied by 1 the result is the number itself.

a whole number that divides exactly into another number.

the total or whole amount. Addend + Addend = Sum

when two numbers are multiplied together, product is same regardless of the order.

the product of zero and any number is zero.

all positive integers (not 0).{1, 2, 3, … }

opposite, reverse operations. Multiplication and division are inverse operations.

Any number that can be expressed as the quotient of two integers. (fraction)

rational numbers that contain no fractions or decimals.{…,-2, -1, 0, 1, 2, …}