Operations with Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What does it mean to add integers with different signs?

Back

When adding integers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the integer with the larger absolute value.

Front

What is the result of adding two negative integers?

Back

The result of adding two negative integers is always a negative integer.

Front

What is the result of adding two positive integers?

Back

The result of adding two positive integers is always a positive integer.

Front

How do you subtract integers?

Back

To subtract an integer, add its opposite. For example, to calculate 5 - 3, you can do 5 + (-3).

Front

What is the absolute value of an integer?

Back

The absolute value of an integer is its distance from zero on the number line, regardless of direction. For example, |-5| = 5.

Front

What is the elevation of a submarine at -28 feet after diving 40 feet?

Back

-68 feet.

Front

What is the net result in yards if a team loses 6 yards and then loses another 8 yards?

Back

-14 yards.

Front

If a dolphin rises 8 feet from -23 feet, then drops 4 feet and rises 21 feet, what is its final position?

Back

2 feet above sea level.

Front

How do you calculate profit from income and expenses?

Back

Profit = Income - Expenses. For example, if a team earns $275 and spends $55, the profit is $275 - $55 = $220.