Unit 6 Vocabulary Quiz

Equivalent ______ are always equal to each other. 

• expressions

• variables

• solutions

• operations

To ____ an expression, we REWRITE a PRODUCT as a SUM using the Greatest Common FACTOR (GCF). Divide both terms by the GCF and write the remainder inside the parentheses.

• factor

• expand

• inverse

• opposites

To ____ an expression, we use the DISTRIBUTIVE property to rewrite a sum as a product (multiplication). The number in front is multiplied by all terms inside the parentheses.

• factor

• expand

• inverse

• opposites

A ____ is a letter that represents an unknown number.

You can choose different letters for it.

• expression

• constant

• variable

• coefficient

An ____ is a number, a variable, or a combination of numbers and variables and operation symbols, WITHOUT an equal sign. 

• inverse operation

• equation

• opposite

• expression

An _____ is two expressions connected by an equal sign.

• expresion

• equation

• inverse

• tape diagram

A _______is a group of rectangles put together to represent a relationship between quantities.

• tape diagram

• solution

• hanger model

• inverse operation

______ are manipulatives that allow you to better understand ways of algebraic thinking and the concepts of algebra.

• Equivalent Expressions

• Tape Diagrams

• Algebra tiles

• Opposties

A ____ to an equation is a number that can be used in place of the variable to make the equation true.

• inverse

• solution

• oppostie

• expression

The set of two opposite operations. 

The _____ operation undoes what was done by the previous operation.

• zero pair

• multiplicative

• additive

• inverse