One-step Equations (addition/subtraction)

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step, typically involving addition or subtraction to isolate the variable.

Tags

CCSS.6.EE.B.7

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform the inverse operation on both sides of the equation to get the variable by itself.

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 subtraction?

Back

The inverse operation of subtraction is addition.

Tags

CCSS.2.NBT.B.5

Front

If you have the equation x + 5 = 12, how do you solve for x?

Back

Subtract 5 from both sides to isolate x: x = 12 - 5, so x = 7.

Tags

CCSS.6.EE.B.7

Front

In the equation 15 = m - 5, what is the first step to solve for m?

Back

Add 5 to both sides to isolate m: 15 + 5 = m, so m = 20.

Tags

CCSS.6.EE.B.7

Front

What does it mean to 'show your work' in solving equations?

Back

'Showing your work' means to clearly write out each step taken to solve the equation, demonstrating how you arrived at the answer.

Tags

CCSS.7.EE.B.4A

Front

How can you check your solution for an equation?

Back

You can check your solution by substituting the value back into the original equation to see if both sides are equal.

Tags

CCSS.8.EE.C.7B

Front

What is the solution to the equation x - 62 = 123?

Back

Add 62 to both sides: x = 123 + 62, so x = 185.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation S + 18 = 24?

Back

Subtract 18 from both sides: S = 24 - 18, so S = 6.

Tags

CCSS.6.EE.B.7