Math Vocab 2

Number Sentence

a completee sentence that uses numbers and symbols instead of words

Commutative Property of Addition

changing the order of addends does not change the sum

Identity Property of Addition

the sum of any number and 0 is equal to the initial number

Sequence

a list of numbers arranged according to a certain rule

Place Value

the value of where a digit is in the number

Word Form

writing a number in words

Value

what a digit is worth

Ten Times

each place has a value 10 times the place to its right

Whole Number

a number that is not a fraction or a decimal

Expanded Form

writing a number in a way that shoes the value of each digit

Period

the value of where a digit is in the number

Fact Family

a group of three numbers related by addition and subtraction or by multiplication and division.

Minuend

the number in a subtraction sentence or equation from which we subtract another number.

Subtrahend

the number being subtracted from another

Difference

the answer in a subtraction equation