Real-Life Algebra: Simplifying and Evaluating Expressions

1. Sarah has 3 times as many apples as Tom. If Tom has x apples, write an expression for the number of apples Sarah has. Simplify your expression.

• x

• 2x

• 4x

• 3x

2. A rectangle's length is 4 more than its width. If the width is w, write an expression for the length. What is the simplified expression for the length?

• w + 2

• w + 4

• 2w + 4

• w - 4

3. If a book costs $5 and you buy x books, write an expression for the total cost. Evaluate the expression for 3 books.

• $5

• $15

• $20

• $10

4. A car travels 60 miles per hour. Write an expression for the distance d traveled in t hours. Simplify the expression and evaluate it for 2 hours.

• 100 miles

• 120 miles

• 80 miles

• 150 miles

5. Jenny has y stickers. She gives away 5 stickers to her friend. Write an expression for the number of stickers Jenny has left. Simplify your expression.

• 5 - y

• y - 5

• y + 5

• y - 10

6. A pizza has 8 slices. If you eat x slices, write an expression for the remaining slices. Evaluate the expression if you eat 3 slices.

• 4

• 2

• 6

• 5

7. The total cost C of buying x notebooks at $2 each can be expressed as C = 2x. Simplify the expression for the cost if you buy 4 notebooks.

• 10

• 6

• 8

• 12

8. A garden has 5 rows of flowers, with each row containing x flowers. Write an expression for the total number of flowers. Simplify your expression.

• 6x

• 5x

• 4x

• x^2

9. If a movie ticket costs $10 and you buy y tickets, write an expression for the total cost. Evaluate the expression for 4 tickets.

• $40

• $20

• $30

• $50

10. A box contains x candies. If you add 10 more candies, write an expression for the new total. Simplify your expression.

• 10 + x

• x + 20

• x + 10

• x - 10