Important Math Vocabulary

operation

• a number or ratio that can be expressed as a fraction of 100

• addition, subtraction, multiplication, division

• the whole part of a fraction (bottom number)

• the answer to a multiplication problem

negative

• the left side of a number line

• answer to a division problem

• answer to a subtraction problem

• an educated guess

positive

• a numerical quantity that is not a whole number

• answer to a subtraction problem

• part of a fraction (top number)

• the right side of a number line

denominator

• part of a fraction (top number)

• the whole part of a fraction (bottom number)

• an educated guess

• the left side of a number line

numerator

• the left side of a number line

• answer to a subtraction problem

• part of a fraction (top number)

• answer to an addition problem

sum

• answer to an addition problem

• answer to a subtraction problem

• answer to a multiplication problem

• answer to a division problem

difference

• answer to an addition problem

• answer to a multiplication problem

• answer to a division problem

• answer to a subtraction problem

product

• answer to a division problem

• answer to a multiplication problem

• answer to an addition problem

• answer to a subtraction problem

quotient

• answer to a division problem

• answer to a multiplication problem

• answer to an addition problem

• answer to a subtraction problem

fraction

• the right side of a number line

• a whole number and part of a number separated by a point

• a numerical quantity that is not a whole number

• addition, subtraction, multiplication, and division