One Step Equations

Front

What is an equation?

Back

A mathematical sentence stating that two expressions are equal.

Front

Model the situation: Jack took 6 pencils from a new box. There are 18 pencils left. How many pencils were in the box?

Back

p - 6 = 18

Front

What is a variable?

Back

The letter used to represent a quantity.

Front

Model the situation: Tina worked 35 hours in 5 days. How many hours did she work each day?

Back

5h = 35

Front

Model the situation: Marcus needs to sell 25 tickets. He has sold 9 tickets. How many tickets does he still need to sell?

Back

t + 9 = 25

Front

What is a coefficient?

Back

The number in front of a variable.

Front

What does it mean to solve an equation?

Back

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

Front

Model the situation: A number decreased by 4 equals 10. What is the equation?

Back

x - 4 = 10

Front

What is the solution to the equation 2x = 10?

Back

x = 5

Front

Model the situation: A number increased by 7 equals 20. What is the equation?

Back

y + 7 = 20