Writing Algebraic Expressions

Squirrels

100

five more than x

5 + x

200

Christine charges $50 per hour for photography. Write an expression that can be used to find the cost of h hours.

Then, find how much 4 hours of photography would cost.

50n

$200

300

Sue went shopping for pop. She bought 9 cases of pop. There are "c" number of cans in a case. Write an expression to find total number of sodas Sue purchased.

9c

400

Ella bought 24 yards of fabric to make tablecloths. She will use y yards to make each tablecloth. Write an expression to represent the number of tablecloths Ella can make.

24/t

500

Callie has x groups of beads. There are 20 beads in each group. She bought 14 more beads to finish a project. Write an expression to represent the total number of beads.

20x + 14

Narwhals

100

the quotient of a number and eleven

x/11

200

Alex wants to buy a new laptop. She already saved $25 and plans to save an addition $10 each week. Write an expression that shows the total amount of money she will have saved after x weeks. 

10x + 25

300

Ms. Funke sold j cartons of juice and w cartons of water bottles. Write an expression to represent the total number of cartons she sold.

j + w

400

Kurt has 8 notebooks. He bought n more notebooks. Then he gave 2 more notebooks to his friend. Write an expression to represent the number of notebooks Kurt has now.

8 + n - 2

500

Ben has 15 toy cars. He buys 7 packages with n cars in each package. Write an expression to represent the total number of toy cars Ben has now.

7n + 15

Sharks

100

the product of seven and a number

7x

200

8x

The product of 8 and a number x; 8 times x

300

James has h hens, g geese, and c cows. Write an expression to represent the total number of animals that James has on his farm.

h + g + c

400

The Raiders scored "d" touchdowns and "f" field goals. If touchdowns are worth 6 points and field goals are worth 3 points, write an expression to represent the total number of points scored.

6d + 3f

500

Hannah has 24 flowers. She wants to divide these flowers equally among her x sisters (she won't keep any for herself). Write an expression to represent the number of flowers each sister will receive.

Then, solve using x = 3.

24/s

Each sister will get 8 flowers.

Chipmunks

100

x less than 8

8 - x

200

32/g

The quotient of 32 and g; 32 divided by g

300

Anna won 5 toys at the carnival. She already has x toys at home. She gave 2 toys to her little sister. Write an expression to show how many stuffed animals Anna has now.

5 + x - 2

400

"C" children share 18 apples equally. Write an expression to represent the number of apples each child will receive.

18/c

500

A new iPhone costs about $800. Each song download costs about $1.29. Write an expression that represents the total cost of purchasing and listening to x songs.

Then, solve for when 30 songs were downloaded.

1.29x + 800

1.29(30) +800 = $838.70

Dolphins

100

the product of 89 and a number, y

89y

200

38 + p

The sum of 38 and p; 38 plus p

300

A family went to the ice-cream shop. They ordered v vanilla cones and c chocolate cones. Write an expression to find the total cost if each vanilla costs $1.25 and each chocolate costs $1.35.

1.25v + 1.35c

400

A movie theater can seat 20 people in each "r" row of the front section. A total of 200 people can sit in the back section. Write an expression that shows how many people the theater can hold.

20r + 200

500

A group of students and chaperones went on a field trip to the zoo. Each student ticket costs $5 and each adult ticket costs $8. Write an expression to find the total cost of the trip.

Then, solve for when there were 50 students and 10 adults.

5s + 8a 

5(50) + 8(10) = $330