Go Math Grade 4 Chapters 6-8 Vocabulary Words

common denominator

a same multiple of two or more denominators (ex: 1/4 and 5/6 have common denominators of 12, 24, 36, ect.)

mixed number

an amount given as a whole number and a fraction

numerator

the part of a fraction above the line, which tells how many parts are being counted

denominator

the part of the fraction below the line, which tells how many equal parts there are in the whole or in a group

Associative Property of Multiplication

the property that states that when the grouping of addends is changed, the sum is the same

Commutative Property of Multiplication

the property that states that when the order of two or more addends is changed, the sum is the same

equivalent fractions

two fractions that name the same amount (ex: 3/4 and 6/8)

community property of addition

The order of addends can be changed. The sum does not change.

simplest form

a fraction in which the numerator and denominator have only 1 as a common factor

unit fraction

a fraction that has a numberator of one

benchmark

a known size or amount that helps you understand a different size or amount

fraction

a number that names part of a whole or part of a group

associative property of addition

Changing the grouping of three or more addends does not change the sum.

Identity Property of Multiplication

If you multiply a number by one, the product is the same as that number.