Writing Equations with One Variable

Front

What is an equation with one variable?

Back

An equation that contains one variable, which can be solved to find the value of that variable.

Front

What does it mean for a graph to be proportional?

Back

A graph is proportional if it passes through the origin (0,0) and shows a constant ratio between the two variables.

Front

If each person pays $13 to divide a bill evenly among 4 people, which equation represents the total bill?

Back

x/4 = 13, where x is the total bill.

Front

How do you find the total number of items when they are divided evenly among a group?

Back

Multiply the number of items each person receives by the number of people.

Front

What equation can be used to find the total number of licorice ropes if 9 students each get 3 ropes?

Back

r/9 = 3, where r is the total number of licorice ropes.

Front

How do you determine how many stickers each friend got if Maria bought 75 stickers for 8 friends?

Back

Use the equation 8s = 75, where s is the number of stickers each friend received.

Front

What is the relationship between the age of Tisha's tortoise and the time since Tisha was born?

Back

The tortoise's age can be found using the equation t - 10 = 61, where t is the tortoise's current age.

Front

What does the variable represent in an equation?

Back

A variable represents an unknown value that can change or vary.

Front

What is the first step in solving an equation with one variable?

Back

Isolate the variable on one side of the equation.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.