Real-Life Expressions: Using Variables in Context

Ava has x apples. If she buys 5 more apples, how many apples does she have now? Write an expression to represent this situation.

• x - 5

• x + 5

• 5 + x

• x * 5

Liam has y dollars. He spends 10 dollars on a toy. Write an expression to show how much money he has left.

• y - 5

• y - 10

• 10 - y

• y + 10

Emma reads x pages of a book each day. If she reads for 7 days, how many pages does she read in total? Write an expression to represent this.

• 7+x

• x+7

• 14x

• 7x

A pizza has y slices. If 2 slices are eaten, how many slices are left? Write an expression to show the remaining slices.

• y - 1

• y - 2

• y + 2

• 2 - y

A school has x students. If 15 new students enroll, how many students are there now? Write an expression for the total number of students.

• x * 15

• x + 15

• x - 15

• x + 10

A car travels y miles each hour. How far will it travel in 5 hours? Write an expression to represent the distance traveled.

• y/5

• 5y

• 5+y

• 10y

A box contains x toys. If 4 toys are added to the box, how many toys are in the box now? Write an expression for the total number of toys.

• x - 4

• x + 4

• 4 + x

• x + 2

A baker makes y cookies. If he sells 12 cookies, how many cookies does he have left? Write an expression to show the remaining cookies.

• y - 10

• y + 12

• y / 12

• y - 12

A library has x books. If 20 books are donated, how many books does the library have now? Write an expression to represent the total number of books.

• x + 20

• x - 20

• x * 20

• x / 20