5th Grade Math Vocabulary
decimal point
A dot that separates whole numbers from tenths and hundredths.
estimate*
A number that is not exact; a careful guess.
expanded notation*
A way of writing numbers in which the numbers are written to show the place value of each digit (639 = 600 + 30 + 9)
fixed expense*
expenses which stay basically the same from month to month, such as housing and transportation.
simplified form
numerator and denominator have no common factors
remainder
the amount left over when a number cannot be divided equally
numerator
the top number in a fraction
denominator*
The bottom number in a fraction
tenths
The first place value after a decimal point.
hundredths
The place to the right of tenths
sum
The result of addition.
hundredths*
The second place value after a decimal point. Is the second largest decimal value. It takes 100 hundredths to make a whole.
lowest common denominator
The smallest number that both denominators can be divided into evenly.
place value*
The value of each digit in a number based on the location of the digit
least to greatest*
To put numbers in order from the smallest number to the largest number
improper fraction
a fraction whose numerator is larger than the denominator
factor
a number that is multiplied by another number to find a product
area model
a rectangular grid formed from square units
mixed number
a whole number and a fraction
variable expense*
an expense that changes from month to month
equivalent fraction
different fractions that are equal in value
array
An arrangement of objects in equal rows.
