3. equation Addition and Subtraction Equations Multiplication and Division Equations Equation has the word equal= A number sentence in which one set of numbers or values is equal to another set of numbers or values. By J. Scheumann and C. Sorenson 2011
4. represent X represents the number 5 X = 5 A symbol for something By J. Scheumann and C. Sorenson 2011
5. value How much a number is worth By J. Scheumann and C. Sorenson 2011
6. rule Tells how one quantity or thing is related to another. J. Scheumann & C. Sorenson 2011