Translate Expressions & Identify Variables in Context

1. Sarah has x apples. If she buys 5 more apples, how can we express the total number of apples she has now?

• x + 5

• x - 5

• 5x

• x + 10

2. A book costs y dollars. If you buy 3 books, how can we write an expression for the total cost?

• 2y

• 3 + y

• y + 3

• 3y

3. Tom is x years old. In 4 years, how can we express Tom's age?

• x + 4

• x - 4

• 2x

• x + 5

4. A rectangle has a length of 2x and a width of 3. How can we express the perimeter of the rectangle?

• P = 2x + 3

• P = 5x + 6

• P = 6x + 3

• P = 4x + 6

5. If a car travels y miles per hour, how can we express the distance it travels in 3 hours?

• 2y

• y/3

• 6y

• 3y

6. Lisa has x dollars. If she spends 10 dollars, how can we express the amount of money she has left?

• x + 10

• x - 10

• x / 10

• 10 - x

7. A pizza has z slices. If you eat 2 slices, how can we express the number of slices remaining?

• z + 2

• z - 1

• 2 - z

• z - 2

8. A school has x students. If 5 new students enroll, how can we express the new total number of students?

• 5 + x

• x - 5

• x + 5

• x + 10

9. If a shirt costs y dollars and you have a coupon for 5 dollars off, how can we express the final price of the shirt?

• y + 5

• y - 10

• 5 - y

• y - 5

10. A garden has x flowers. If 3 flowers bloom, how can we express the new total number of flowers in the garden?

• x * 3

• x + 3

• x - 3

• x / 3