7.NS.A.2.abc Review

Front

What is the final depth of a bat that starts at 15 feet below ground level and moves 3 feet deeper for 4 hours?

Back

27 feet below ground level

Front

How do you calculate the average change in water volume per day if a water tower loses 42.5 gallons over 5 days?

Back

-8.5 gallons per day

Front

What is the average hourly change in temperature if the temperature rises from -18 degrees to 9 degrees over 3 hours?

Back

9 degrees

Front

Evaluate: (-0.3)(-2)(-0.42)

Back

-0.252

Front

Evaluate: 7.8(-5)

Back

-39

Front

What is the definition of a negative integer?

Back

A negative integer is a whole number less than zero.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value.

Front

What is the rule for multiplying two negative numbers?

Back

The product of two negative numbers is positive.

Front

What is the rule for multiplying a negative number by a positive number?

Back

The product of a negative number and a positive number is negative.

Front

How do you find the average change in a quantity over time?

Back

Subtract the initial value from the final value and divide by the number of time intervals.