Matching Equations to Word Problems

Which algebraic expression matches the word problem: Two fifth grade classes had to be split into three groups for a field trip. There were 15 students in each group. How many people were in the two fifth grade classes?

• 3n = 45

• n + 3 = 45

• n divided by 3 = 15

• 45 divided by n = 15

Which algebraic expression matches the word problem: Frank already had several toy cars in his collection, and his friend gave him 3 more. Now he has 45 toy cars. How many cars did he start with?

• 3n = 45

• n + 3 = 45

• n divided by 3 = 15

• 45 divided by n = 15

Which algebraic expression matches the word problem: Mrs. Young's big extended family went on a trip to Disney World. They decided to split into groups to explore the park. There were 45 people and they ended up in 15 groups. How many people were in each group.

• 3n = 45

• n + 3 = 45

• n divided by 3 = 15

• 45 divided by n = 15

Which algebraic expression matches the word problem: A girl walked her dog a certain number of miles every day. At the end of one week, they had walked 35 miles. how many miles did they walk each day?

• n divided by 7 = 5

• 5n = 35

• n + 35 = 1,500

• 7n = 35

Which algebraic expression matches the word problem:

Train A traveled 35 miles farther than Train B. Train A traveled 1,500 miles. How many miles did Train B travel?

• n divided by 35 = 1,500

• 35n = 1,500

• n + 35 = 1,500

• 1,500 divided by n = 35

Which algebraic expression matches the word problem: Charlotte had 5 stuffed animals. This was 1/7 as many stuffed animals as her big sister, Miranda. How many stuffed animals did Miranda have?

• n divided by 7 = 5

• 5n = 35

• n + 35 = 1,500

• 7n = 35

Which algebraic expression matches the word problem:

Jack rode his bike the same number of miles each day. After 5 days, he had ridden 35 miles. How many miles did he ride each day?

• 5n = 35

• n divided by 7 = 5

• 7n = 35

Sarah has 5 more apples than John. If John has 'a' apples, write an algebraic equation to represent the number of apples Sarah has.

• a * 5

• a + 5

• 5 - a

• a - 5

2. A number 'n' increased by 8 is equal to 20. Write an algebraic equation to represent this situation.

• n / 8 = 20

• n + 8 = 20

• n x 8 = 20

• n - 8 = 20

The sum of a number 'x' and 15 is 30. Write an algebraic equation to represent this situation.

• x - 15 = 30

• x * 15 = 30

• x / 15 = 30

• x + 15 = 30