Real-Life Problems: One-Step Equations and Solutions

Maria has 12 apples. She gives away some apples to her friend. If she has 8 apples left, how many apples did she give away? Translate this into an equation and solve for the number of apples given away.

• 10

• 6

• 2

• 4

A book costs $15. If you have $x, how much more money do you need to buy the book? Write an equation to represent this situation and solve for x.

• x - 15

• x + 15

• 15 - x

• 15 - 2x

Tom is 5 years older than his sister. If his sister is y years old, how old is Tom? Write an equation and interpret the solution in context.

• Tom is y + 10 years old.

• Tom is y - 5 years old.

• Tom is y + 5 years old.

• Tom is 2y years old.

A box contains 20 chocolates. If you eat z chocolates, how many chocolates are left in the box? Write an equation to represent this and solve for the remaining chocolates.

• 20 * z

• z - 20

• 20 - z

• 20 + z

The total cost of 3 notebooks is $9. How much does each notebook cost? Write an equation to find the cost of one notebook and interpret the solution.

• Each notebook costs $4.

• Each notebook costs $2.

• Each notebook costs $3.

• Each notebook costs $5.

A car travels at a speed of 60 miles per hour. How far will it travel in t hours? Write an equation to represent this and solve for the distance traveled.

• 30t

• 60t

• 90t

• 60t^2

Lily has $50. She spends some money on a toy. If she has $30 left, how much did she spend? Write an equation and solve for the amount spent.

• 15

• 25

• 20

• 10

A rectangle has a length of 10 cm and a width of w cm. If the perimeter is 40 cm, what is the width? Write an equation and interpret the solution in context.

• 15 cm

• 5 cm

• 10 cm

• 20 cm

A farmer has 100 apples and sells some. If he has 75 apples left, how many did he sell? Write an equation to represent this situation and solve for the number of apples sold.

• 15

• 30

• 25

• 50

In a class, there are x students. If 5 more students join, there will be 30 students in total. Write an equation to find the value of x and interpret the solution.

• 25

• 15

• 20

• 35