Solving Equations With Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to 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 5x = 70?

Back

Divide both sides of the equation by 5 to isolate x.

Tags

CCSS.6.EE.B.7

Front

Solve the equation: 5x = 70

Back

x = 14

Tags

CCSS.6.EE.B.7

Front

What does it mean to check your solution in an equation?

Back

Checking your solution means substituting the value back into the original equation to verify that both sides are equal.

Tags

CCSS.8.EE.C.7B

Front

Solve the equation: p + 20 = 100

Back

p = 80

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation x + 3.5 = 9.5?

Back

x = 6

Tags

CCSS.6.EE.B.7

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Tags

CCSS.HSA.REI.A.1

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Tags

CCSS.3.OA.C.7

Front

If x - 4 = 10, what is x?

Back

x = 14

Tags

CCSS.6.EE.B.7