Unit One Vocabulary

The process of replacing a number by another number of approximately the same value but having fewer digits.

• rounding

• difference

• mixed numbers

• denominator

A number that combines a whole number and a fraction

• quotient

• addends

• whole

  number

• mixed

  number

 A number with one or more places to the right of a decimal point

• estimate

• decimal

• simplify

• rounding

The numbers that are added together to find a sum

• addends

• product

• factors

• numerator

The result of a division problem 

• numerator

• quotient

• denominator

• fraction

the result of multiplication

• sum

• product

• multiplication

• factors

The second number in a division problem; it is by which another number is divided

• divisor

• factors

• dividend

• simplify

Two numbers whose product is one 

• Rounding

• Fraction

• Reciprocal

• Decimals

To find a number that is close to an exact answer 

• product

• estimate

• rounding

• compatible numbers

numbers that are close to the numbers given in a problem and can be used to estimate and check whether an answer is reasonable

• whole numbers

• compatible numbers

• mixed numbers

• addends