Semester Exam Review

Front

What is the expression to represent a loss of 5 yards followed by a gain of 12 yards?

Back

-5 + 12

Front

If a price is reduced by $6 each week for 7 weeks, what is the total change in price?

Back

-$42

Front

How do you calculate the distance from 500 feet below sea level to 8,550 feet above sea level?

Back

9,050 feet

Front

What addition equation represents the sum of -6 and 9?

Back

-6 + 9 = 3

Front

How do you calculate hourly wage if $90 is earned for 6 hours of work?

Back

$15 per hour

Front

What is the formula for calculating total distance when dealing with elevations?

Back

Total Distance = Elevation Above Sea Level - Elevation Below Sea Level

Front

What does a negative number represent in a real-world context, such as temperature or elevation?

Back

A negative number indicates a value below a defined reference point.

Front

How do you represent a decrease in value mathematically?

Back

Using a negative sign before the number.

Front

What is the significance of the number zero in addition and subtraction?

Back

Zero is the identity element for addition; adding zero does not change the value.

Front

What is the relationship between positive and negative numbers on a number line?

Back

Positive numbers are to the right of zero, and negative numbers are to the left.