math vocab-les. 1

numbers that are added together

• sum

• variables

• addends

changing the order of the definition does not the sum

• commutative property of addition

• minued

• divisor

• product

numbers that are arranged from to addition and two subtraction facts

• zero property of multiplication

• the answer when multiplying

• fact family

• factors

one of two addends is zero, the sum of addends is identical to the nonzero addend

• sum

• minued

• identity property of edition

• inverse operations

can undo an addition by subtracting one addend from the sum

• inverse operations

• divisor

• factor

• quotation

the lager number when subtracting

• communicative property

• mixed numbers

• minuend

• dividend

the smaller number from subtracting but not the answers

• scale

• positive

• scale

• subtrahend

the answer when addi

• perimeter

• estimate

• sum

• fact family