
sum
the answer to an addition problem

difference
the answer to a subtraction problem

product
the answer to a multiplication problem

quotient
the answer to a division problem

area
the number of square units inside a 2D shape

perimeter
the distance around the outside of a 2D shape

equivalent fractions
 fractions that are equal or fractions that name the same amount
 4/8 = 1/2

numerator
the top number of a fraction. it tells how many parts you have.

denominator
the bottom number of a fraction. it tells how many pieces are in the whole.

factors
numbers that are multiplied to a get a product

prime numbers
numbers that have exactly two factors. the only way to get this number with multiplication is 1 X itself.

composite number
a number with more than 2 factors. there are more ways to get this number with multiplication than 1 X itself.

mode
the number that appears most often.

range
the answer you get when you subtract the smallest number from the largest number.

median
the middle number when the numbers are lined up from greatest to least.

volume of a rectangular prism
 3D
 length x width x height

ordered pairs (8,7)
 go right 8 units
 then, go up 7 units


place value
billions, millions, thousands, ones

places on decimal place value chart
ones . tenths, hundredths, thousandths

