1-Step Equations Word Problems
Lynn is cooking cookies. The recipe calls for 14 cups of flour. She has already put in 4 cups. How many more cups does she need to put in? What is the equation?
10 cups of flour
x+4=14
Jamie needs to buy enough Gatorade for the whole soccer team. If there are 72 kids on the team and Gatorade comes in cases of 12, how many cases does Jamie need to bring? What is the equation?
6 cases
12x=72
What is a let x statement?
a way to describe what the variable x, stands for
You bought a pencil case for $5 and four erasers. You spent a total of $25. How much did each eraser cost? What is the equation?
$5
5+4x=25
Jesse started the day with 18 pieces of candy. He gave some away and now he has 9 left over. How many did Jesse give away. Write an equation describing the situation and solve.
x=Candy given away.
18 - x = 9
Jesse gave away 9 pieces of candy.
How many packages of socks can you buy with $80 if one package costs $16? What is the equation?
5 packages
16x=80
Mrs. Smith bought smelly stickers for her amazing students! The stickers come in packs of 20. If she has 200 students, how many packs of stickers should she order? What is the equation?
10 packs
20x=200
What is a variable?
a symbol for an unknown value
A coffee shop sells ceramic refillable mugs for $8.95. Each refill costs $1.50. Last month Rose spent $26.95 on a mug and refills. How many refills did she buy? What is the equation?
12 refills
8.95+1.50x=26.95
After Jeannie spent half of her money, she had $18 left over. How much money did Jeannie start with? Write an equation describing the situation and solve.
Jeannie started with $36
m = Money she started with
m/2 = 18
Bryan decided to bring his wallet to the bank to cash it in. On the way, he dropped it and lost $2.50. He had $14.84 left in the wallet. How much did he start with? What is the equation?
$17.34
x-2.50=14.84
A cab company charges $4 for every mile. If you spent a total of $40, how many miles did you ride the cab for? What is the equation?
$1
4x=40
What is a constant?
a number on its own
For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip? What is the let x statement? What is the equation?
52 students
let x= the amount of students in each bus
9x+4=472
After making $5 per hour working for his parents, Jeremy received an extra $7 bonus from his parents for working so hard. He now has $22. How many hours did Jeremy work? Write and solve an equation that describes the situation.
Jeremy worked 3 hours for his parents
h = hours worked
5h + 7 = 22
You are on page 286 in Twilight. If there are 408 pages in the book, how many more do you have to read? What is the equation?
122 pages
x+286=408
How many boxes of envelopes can you buy with $12 if one box costs $3? What is the equation?
4 boxes
3x=12
What is an equation?
a mathematical sentence stating that two expressions are equal
Jill sold half of her comic books and then bought sixteen more. She now has 36. With how many did she begin? What is the let x statement? What is the equation?
40 comic books
let x= the amount of comic books Jill started with
x÷2+16=36
You had $20 to spend on four raffle tickets. After buying them you had $12. How much did each raffle ticket cost? What is the let x statement? What is the equation?
$2
let x= the cost of each raffle ticket
12+4x=20
Mary and Kate both work at the 7-11. Mary earns $3.94 more than Kate. If Kate earns $17.90 an hour how much does Mary make? What is the equation?
$21.84
x-3.94=17.90
Maria bought tissue boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. With how many did she start? What is the equation?
37 boxes
x÷2=22
What is an expression?
a term or combination of terms and operators
An example is, 2x+7.
The cost of renting a bike is $10 to take the bike and $4 for every hour it spends in our possession. The final sum Janice paid is $30. How many hours did Janice rent the bike for? What is the let x statement? What is the equation?
5 hours
let x= the amount of hours Janice rented the bike for
10+4x=30
You bought a magazine for $3 and two notepads. You spent a total of $13. How much did each notepad cost? What is the let x statement? What is the equation?
$5
let x= the cost of each notepad
3+2x=13