Flashcard One Step Equations

Front

What is the difference between an expression and an equation?

Back

Expressions do not have an equal sign and equations do have an equal sign.

Front

Write the equation for '5 less than a number is 15'.

Back

x - 5 = 15

Front

Solve the equation: 8 = m - 12.

Back

m = 20

Front

To isolate the variable in the equation 4p = 16, what operation should be performed on both sides?

Back

Divide by 4.

Front

Which equation models the situation: Mr. Cole pledged $4 per book and gave Anna $44?

Back

4b = 44.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

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

Back

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

Front

What is the solution to the equation 3x + 5 = 20?

Back

x = 5.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the first step to solve the equation x/3 = 7?

Back

Multiply both sides by 3.