Expressions and Evaluations: Word Problems Challenge

A store sells pencils for $x each. If you buy 5 pencils, how much do you spend? Write an expression for the total cost.

• x/5

• 10x

• 5x

• 2x

Maria has $y. She spends $15 on a book. Write an expression to represent how much money she has left.

• y - 10

• y - 15

• y / 15

• y + 15

A recipe calls for 3x cups of flour. If you want to make 2 batches, how many cups of flour do you need? Write and evaluate the expression.

• 4x

• 5x

• 2x

• 6x

Tom is x years old. His sister is 3 years younger than him. Write an expression for his sister's age and evaluate it if x = 12.

• 10

• 8

• 7

• 9

A car travels at a speed of 60 miles per hour. How far does it travel in t hours? Write an expression for the distance and evaluate it for t = 3.

• 120 miles

• 180 miles

• 240 miles

• 90 miles

The length of a rectangle is 4x and the width is 2x. Write an expression for the perimeter of the rectangle and evaluate it for x = 5.

• 40

• 60

• 70

• 50

A book costs $20 and you have $x. Write an expression for how much more money you need to buy the book if x = 15.

• 25

• 5

• 10

• 0

A gardener plants x flowers in each row. If there are 4 rows, how many flowers are there in total? Write and evaluate the expression for x = 6.

• 18

• 20

• 30

• 24

A box contains y apples. If you eat 3 apples, write an expression for the number of apples left and evaluate it if y = 10.

• 5

• 10

• 3

• 7

A movie ticket costs $12. If you buy x tickets, write an expression for the total cost and evaluate it for x = 4.

• 36

• 48

• 24

• 60