expressionone or more mathematical symbols that represent a number or quantity; it does not include equality or inequality signsratio tableA model that represents equivalent ratios; can be used as a tool to solve problems that involve multiplication, division, fractions, and proportionsrectangular prisma three-dimensional shape whose 6 faces are all rectanglesequationa mathematical statement asserting that two quantities have the same value (two sides are equal)dimensionsthe length, width, and height of a figurearrayan arrangement consisting of equal rows and equal columnsmultiplyto find the product of