Grade 7 | Unit 5 | Lesson 16: Representing Contexts with Equations | Practice Problems

Match each situation to one of the equations.

• A: A whale was diving at a rate of 2 meters per second. How long will it take for the whale to get from the surface of the ocean to an elevation of -12 meters at that rate?

• B: A swimmer dove below the surface of the ocean. After 2 minutes, she was 12 meters below the surface. At what rate was she diving?

• C: The temperature was -12 degrees Celsius and rose to 2 degrees Celsius. What was the change in temperature?

• D: The temperature was 2 degrees Celsius and fell to -12 degrees Celsius. What was the change in temperature?

Tags

CCSS.6.EE.B.7

Write and solve an equation and describe what your variable represents. How many hours did it take for the temperature to decrease by 4.4 degrees Celsius?

Tags

CCSS.7.EE.B.4A

Write and solve an equation and describe what your variable represents. If the temperature after the 4.4 degree drop was -2.5 degrees Celsius, what was the temperature at noon?

Tags

CCSS.6.EE.B.7

Find the value of each expression.

Tags

CCSS.7.NS.A.1D

The markings on the number line are evenly spaced. Label the other markings on the number line.

Kiran drinks 6.4 oz of milk each morning. How many days does it take him to finish a 32 oz container of milk? Write and solve an equation for the situation. What does the variable represent?

Tags

CCSS.6.EE.B.7