Depth, Elevation, and Mathematical Properties

This video tutorial covers solving one-step equation word problems, including a sea level problem, a penguin dive problem, and a savings account problem. It explains algebraic properties like the addition and multiplication properties of equality, emphasizing the importance of consistent units and understanding negative values in word problems.

What is the main focus of the new version of Grade 7 Math 6.2 C?

• Statistics and probability

• Geometry problems

• One-step equation word problems

• Two-step equations

Which location is 20,310 feet above sea level?

• Mauna Kea, Hawaii

• Denali, Alaska

• Black Mesa, Oklahoma

• Mount Mitchell, North Carolina

How much lower is Mauna Kea's sea level compared to Denali, Alaska?

• 6,507 feet

• 4,979 feet

• 6,684 feet

• 5,000 feet

What is the sea level of Mauna Kea if it is 6,507 feet lower than Denali, Alaska?

• 15,000 feet

• 14,000 feet

• 13,703 feet

• 12,000 feet

What is the initial position of the penguin in the diving problem?

• On a mountain

• Below sea level

• At sea level

• Above sea level

How fast does the penguin dive in the problem?

• 1.5 feet per second

• 2.5 feet per second

• 2 feet per second

• 3 feet per second

What is the final depth the penguin reaches in the problem?

• -37.5 feet

• -30 feet

• -40 feet

• -35 feet

How many seconds does it take for the penguin to reach -37.5 feet?

• 10 seconds

• 15 seconds

• 20 seconds

• 25 seconds

What is the total amount Tala deposited over four months?

• $259.20

• $365.00

• $300.00

• $400.00

What was Tala's initial deposit if her final balance was $365?

• $105.80

• $200.00

• $250.00

• $150.00