Grade 6 Expressions: Identifying Variables & Operations

1. Sarah has x apples. If she buys 5 more apples, how many apples does she have now? (Identify the variable and constant)

• x + 5

• 5x

• x + 10

• x - 5

2. A book costs $y. If you buy 3 books and pay $15, what is the value of y? (Use order of operations)

• 6

• 5

• 4

• 3

3. Tom has 12 candies. He gives away x candies to his friends. Write an expression for the number of candies he has left. (Identify the variable)

• 12 + x

• x - 12

• 12 - x

• 12 * x

4. If a rectangle has a length of 4 meters and a width of x meters, what is the expression for the area of the rectangle? (Identify the variable)

• 4x

• 4 + x

• 4 - x

• 4/x

5. Lisa scored 80 points in her first game and x points in her second game. Write an expression for her total score. (Identify the variable)

• 80 - x

• 80 + x

• 80 * x

• x - 80

6. A pizza is cut into 8 slices. If you eat x slices, how many slices are left? Write an expression. (Identify the variable)

• x + 8

• x - 8

• 8 - x

• 8 + x

7. If you have 10 pencils and you buy 2 packs of y pencils each, how many pencils do you have in total? (Use order of operations)

• 12 + y

• 10 + 2y

• 10 + 2y + 1

• 10 - 2y

8. A car travels x miles per hour. If it travels for 3 hours, what is the expression for the total distance traveled? (Identify the variable)

• x/3

• 9x

• 6x

• 3x

9. If a shirt costs $20 and you buy x shirts, how much do you spend in total? (Use order of operations)

• $20 - x

• 20x

• $20 / x

• $20 + x

10. A farmer has y chickens and buys 5 more. Write an expression for the total number of chickens he has now. (Identify the variable)

• y - 5

• y + 5

• y + 10

• 5y