Solving One-step Equations

Addition and Subtraction

100

Solve 34+x=100

66

200

n-6.2=15.1

21.3

300

j-34=200

234

400

c+56=200

144

500

3.5+b=6.1

2.6

Multiplication and Division

100

5x=345

69

200

3h=57

19

300

r/6=390

2,340

400

t/30=6

180

500

5c=500

100

Write the equation

100

After Caleb deposits $60 into his savings account, the balance is $148.  What was his balance before his deposit? 

C + 60 = 148

200

An elephant can eat 450 pounds of vegetation per day.  How long will a 3600-pound supply of vegetation last the elephant?

450E = 3600

300

Maria made a new costume that used 38.9 feet of fabric.  She realized she only has 3.682 feet left.  How much fabric did she start the day with?

M - 38.9 = 3.682

400

Chelsea and three of her friends went out to eat. They decided to split the bill evenly. Each person paid nine dollars. What was the total bill?  

C / 4 = 9

500

The Petrified Forest National Park in Arizona recently shrunk their boundaries by 93,533 acres. The original size was 125,000. What is the new size of the park?

P - 93,533 = 125,000.