Understanding equations and solutions

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Tags

CCSS.6.EE.A.2C

Front

What is the solution of an equation?

Back

A solution of an equation is a value or set of values that, when substituted for the variable(s), makes the equation true.

Front

What is the inverse operation of addition?

Back

Subtraction.

Tags

CCSS.2.NBT.B.5

Front

What is the inverse operation of subtraction?

Back

Addition.

Tags

CCSS.HSA.REI.A.1

Front

What is the inverse operation of multiplication?

Back

Division.

Tags

CCSS.3.OA.C.7

Front

What is the inverse operation of division?

Back

Multiplication.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations on both sides of the equation until the variable is alone on one side.

Tags

CCSS.6.EE.B.7

Front

What is the first step in solving the equation 2y = 30?

Back

Divide both sides by 2 to isolate y.

Tags

CCSS.6.EE.B.7

Front

If c - 8 = 25, what is the value of c?

Back

c = 33.

Tags

CCSS.6.EE.B.7

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions and equations.

Tags

CCSS.6.EE.A.2B