Introduction to Expressions and Equations

A letter or symbol that represents an unknown value is called ______________.

• Variable

• Radicand

• Coefficient

• Constant

Tags

CCSS.6.EE.A.2B

What do we call a number sentence that has an equal sign?

• expression

• solution

• equation

• constant

What is the most important difference between an expression and an equation?

• they're spelled different

• an equal sign

• only equations have variables

• only expressions have variables

What are inverse operations?

• Absolute values

• Opposite operations used in isolating a variable

• Operations used for only inequalities

• Unknown quantity represented by a letter or symbol

Tags

CCSS.HSA.REI.A.1

Two or more terms that contain the same variables(s), with corresponding variables raised to the same power. In other words, terms that are "like" each other.

• inequality

• expression

• equivalent

• like terms

Tags

CCSS.6.EE.A.2B

Two expressions that have the same value.

Example 2 + 3=5 and 4 + 1=5

• evaluate

• equivalent

• expression

• expand

Tags

CCSS.6.EE.A.4

is a combination of individual terms separated by plus or minus signs.

• equation

• evaluate

• expand

• expression

Tags

CCSS.6.EE.A.2B

A ____ to an equation gives the value(s) of the variable that makes the equation true

• solution

• simplify

• variable

• constant

Tags

CCSS.8.EE.C.7B

________is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent it.

• variable

• coefficient

• simplify

• constant

Tags

CCSS.6.EE.A.2B

You will often be asked to put something "in simplest form"

• constant

• solution

• simplify

• integer

Tags

CCSS.7.EE.A.1