Expressions and Equations Vocab

John is buying 5m of fabric for his project. In this context, the letter m is called a(n) _____.

• coefficient

• function

• like term

• replacement set

• variable

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m
• 8m - 4
• 8m + 4
• 4m - 8

What does "difference" mean?

• add
• subtract 
• multiply
• divide

A number multiplied by a variable in an algebraic expression.

• Product

• Answer

• Constant

• Coefficient

Letters used to represent amounts

• Expressions

• Equations

• Symbols

• Variables

Inequality symbols:

• show if one value is equal to another

• show if one value is less than, greater than, or not equal to another value

• are not valid unless two values are equal

Combine like terms:

• similar solutions to different problems

• a process used to simplify an expression - terms that have the same variable part are combined using addition or subtraction

• multiplying the simplest form of an equation to find the distributive property of a solution

What is distributive property?

• to subtract two like terms from the coefficient solution in order to solve for x

• the degree to which an equation is solved for like terms

• to divide something or give a share or part of something

What is a coefficient?

• a number used to multiply a variable

• the order of operation for submitting a solution

• the variable of a letter