Real-Life Scenarios: Using Variables in Expressions

A box contains x apples. If you add 5 more apples, how many apples are in the box now? Write an expression to represent this.

• 5 + x

• x - 5

• x + 10

• x + 5

Maria has y stickers. She gives 3 stickers to her friend. How many stickers does Maria have left? Write an expression for this scenario.

• y + 3

• y / 3

• y - 1

• y - 3

A car travels x miles each hour. How far will it travel in 4 hours? Write an expression to find the total distance.

• 8x

• 2x

• 4x

• x/4

Tom has 10 more than twice the number of marbles that Sam has. If Sam has m marbles, write an expression for the number of marbles Tom has.

• 2m - 10

• 3m + 5

• 2m + 10

• m + 10

A book costs p dollars. If you buy 3 books, how much will you spend in total? Write an expression to represent the total cost.

• 3p

• p+3

• 4p

• 2p

Lily has n candies. She eats 2 candies every day. Write an expression to find out how many candies she will have after 5 days.

• n - 5

• n - 10

• n - 2

• n - 15

A garden has x rows of flowers, and each row has 4 flowers. Write an expression to find the total number of flowers in the garden.

• x * 4 + 1

• 4 + 4x

• 4 * x

• x + 4

If a pizza has s slices and you eat 2 slices, how many slices are left? Write an expression to represent the remaining slices.

• s + 2

• 2 - s

• s - 2

• s - 1

A school has x students, and each student needs 2 pencils. Write an expression to find out how many pencils are needed in total.

• 2 * x

• 2 + x

• x * 2

• x + 2

A recipe requires 3 times as many cups of flour as the number of cups of sugar used. If you use y cups of sugar, write an expression for the cups of flour needed.

• y/3

• 2y

• 4y

• 3y