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Unit 3 Vocab

Expressions and Properties

TermDefinition
Commutative Property Changing the ORDER of the numbers does not change the answer.
Associative Property REGROUPING the numbers does not change the answer.
Inverse Property for Addition The sum of a number and its inverse (opposite) equals zero.
Inverse Property for Multiplication The product of a number and its inverse (reciprocal) equals one.
Identity Property for Addition The sum of any number and zero is equal to the same number.
Identity Property for Multiplication The product of any number and one is equal to the same number.
Distributive Property The "sharing" property.
Multiplicative Property of Zero The product of a number and zero equals zero.
Variables A placeholder or a letter representing a number.
Algebraic Form Expressions or equations which contain as least one variable.
Numeric Form Expressions or equations which contain only numbers.
Expression A math sentence containing variables, numbers, and at least one operation. An expression does NOT have an equal sign.
Equation A math sentence containing variables, numbers, operations, and DOES HAVE an equal sign.
Simplify To make less complex or to write in a more simple form.
Evaluate or Solve To find an answer or solution to a problem. To find the value of a problem.
Exponent Tells us how many times the base is multiplied by itself.
Translate To write verbal phrases as expressions or equations
Operations The procedures we use to work with numbers. (Add, Subtract, Multiply, Divide)
Verbal Phrase A math sentence or phrase which is translated into an expression or equation.
Created by: scash