One Step Equations with Rational Numbers

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What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

Tags

CCSS.6.EE.B.7

Front

What does it mean to isolate a variable in an equation?

Back

Isolating a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

What is the first step to solve the equation 55 + x = 145?

Back

Subtract 55 from both sides to isolate x: x = 145 - 55.

Tags

CCSS.6.EE.B.7

Front

How do you solve the equation -35 + y = 70?

Back

Add 35 to both sides to isolate y: y = 70 + 35 = 105.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation ½ = -⅛j?

Back

Multiply both sides by -8 to isolate j: j = -4.

Tags

CCSS.6.EE.B.7

Front

How do you solve the equation x - 5 = -12?

Back

Add 5 to both sides to isolate x: x = -12 + 5 = -7.

Tags

CCSS.6.EE.B.7

Front

What equation represents the amount Norachai had before buying the salad?

Back

x - 5.12 = 27.10.

Tags

CCSS.HSA.CED.A.3

Front

What is the solution to the equation 27.10 - 5.12 = x?

Back

x = 27.10 - 5.12 = 21.98.

Tags

CCSS.6.EE.B.7

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers.

Tags

CCSS.5.NBT.A.2

Front

What is the importance of checking your solution in an equation?

Back

Checking your solution ensures that the value you found satisfies the original equation.

Tags

CCSS.8.EE.C.7B