Integer Operations

Front

What is the result of adding a positive number to a negative number?

Back

The result can be positive, negative, or zero, depending on the values of the numbers.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is equivalent to adding its positive counterpart.

Front

What is the result of -7 - (-2)?

Back

The result is -5.

Front

How do you represent a loss in points mathematically?

Back

A loss in points can be represented as a negative number.

Front

What is the equation that describes Bob's total loss of points if he lost 5 points on one page and 9 points on another?

Back

The equation is -5 + -9 = -14.

Front

If a mountain is 50 feet below sea level and rises 75 feet, what is its new height?

Back

The mountain is now 25 feet above sea level.

Front

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

Back

A negative times a positive is always negative.

Front

What is the definition of absolute value?

Back

Absolute value is the distance of a number from zero on the number line, regardless of direction.

Front

How do you calculate the total change in height if an object moves from a lower elevation to a higher elevation?

Back

You subtract the initial elevation from the final elevation.

Front

What is the result of adding two negative numbers?

Back

The result is always a negative number.