Solving Equations Word Problems

In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Which equation would be used to find how many feet the tree grew?

• f + 8 = 14

• f - 8 = 14

• f/8 = 14

• 8f=14

Tags

CCSS.HSA.CED.A.3

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

• C = 0.20x + 15

• C =15 (0.20x)

• C = 15 + x + 0.20

• C = 0.20 + 15x

Tags

CCSS.6.EE.C.9

WRITE AN EQUATION
Imani spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

• 0.5x+4=12

• x+4=12

• 12-4=x

• 12-4=0.5x

Tags

CCSS.HSA.CED.A.3

The sum of 2 and a number is 7. What is the missing number?

• 9

• 14

• 5

• 3.5

Tags

CCSS.1.OA.D.8

Jennifer made a deposit of $150 for soccer camp. Her unpaid balance was $300. Which equation would help you find the fee for soccer camp?

• x - 150 = 300

• 300 - x = 150

• 150x = 300

• 300 ÷ x = 150

Tags

CCSS.HSA.CED.A.3

The product of 5 and a number is 30.

• 5 + x = 30

• 5x = 30

• 5 - x = 30

• 5 ÷ x = 30

Tags

CCSS.6.EE.B.7

Jasmine had $175 when she started shopping for clothes. After buying a skirt, a dress, and a pair of shoes, she had $41 left. How much did she spend?

• $216

• $134

At a rate of $15 per month, how long does saving $135 take? Which equation would help you find how long it would take?

• 15x = 135

• 15 ÷ x = 135
  

• 135 - x = 15

• 15 + x = 135

Tags

CCSS.6.EE.B.7

Carlos earns $8 per hour. How many hours must he work to earn $288?

Tags

CCSS.6.EE.B.7

Write the following as an equation

A number minus 3 is 10

• 3x = 10

• x + 3 = 10

• x - 3 = 10

• x ÷ 3 = 10