quotient

the answer to a division problem

sum

the answer to an addition problem

product

the answer to a multiplication problem

difference

the answer to a subtraction problem

square unit

a unit, such as a square centimeter or square inch, used to measure area

partial unit

a unit used to measure area whose side equals less than one whole (a fraction)

column

a vertical group of objects, running up and down

row

a horizontal group of objects, running left to right

area

the number of square units needed to cover a surface (length x width)

cubic unit

a unit, such as a cubic inch, used to measure volume or capacity

grouping symbols

parentheses ( ), brackets [ ], or braces { } that group parts of an expression

numerical expression

a combination of numbers and operations

rectangular prism

a solid 3-D figure in which all six faces are rectangles

3-dimensional

an object that has length, width, and depth (thickness), like any object in the real world

2-dimensional

a shape that only has two dimensions such as length and width) and no thickness

volume

the amount of space an object takes up