One Step Equations with Rational Numbers

Front

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.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

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.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to get the variable alone on one side of the equation.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

How can you represent a situation with an equation?

Back

You can represent a situation with an equation by identifying the known values and the unknown variable, then writing an equation that relates them.

Front

If Andrew has saved $55 and needs $145, what equation represents how much more he needs to save?

Back

55 + x = 145

Front

How do you write an equation for a situation where you have an initial amount and spend some?

Back

You write it as x - amount spent = remaining amount.

Front

What is the first step to solve the equation x - 5.12 = 27.10?

Back

Add 5.12 to both sides of the equation.