Using Variables in Real-Life Expressions for Grade 5

1. Sarah has x apples. If she buys 5 more, how many apples does she have now? Write an expression for this situation.

• 5x

• x + 10

• x + 5

• x - 5

2. A book costs $10. If you buy y books, how much will you spend? Write an expression to represent the total cost.

• $10y + 5

• $10 + y

• $5y

• 10y

3. Tom has 3 times as many marbles as x. If he has 12 marbles, what is the value of x?

• 3

• 9

• 6

• 4

4. A pizza has 8 slices. If you eat y slices, how many slices are left? Write an expression to show the remaining slices.

• y - 8

• 8 - y

• 8 + y

• 8 / y

5. Lisa is x years old. In 5 years, how old will she be? Write an expression to represent her age in 5 years.

• x - 5

• x + 10

• 5x

• x + 5

6. A toy costs $15. If you have $x, how many toys can you buy? Write an expression to find the number of toys.

• x * 15

• x + 15

• x / 15

• 15 - x

7. If a car travels x miles per hour, how far will it travel in 3 hours? Write an expression for the distance traveled.

• 9x

• x/3

• 3x

• 6x

8. A pack of gum costs $2. If you buy y packs, how much do you spend? Write an expression for the total cost of the gum.

• 2 + y

• $2y

• 2y

• y/2

9. If you have x candies and you give away 4, how many candies do you have left? Write an expression for the remaining candies.

• x - 4

• x + 4

• x / 4

• 4 - x

10. A movie ticket costs $12. If you have x dollars, how many tickets can you buy? Write an expression to find the number of tickets.

• x * 12

• x + 12

• x / 12

• 12 - x