Operations with Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What is the sum of two integers?

Back

The sum of two integers is the result of adding them together. For example, -4 + 4 = 0.

Front

How do you subtract integers?

Back

To subtract an integer, you can add its opposite. For example, 5 - 3 is the same as 5 + (-3) = 2.

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, |-7| = 7.

Front

What does it mean to deposit money?

Back

To deposit money means to add funds to a bank account.

Front

What does it mean to withdraw money?

Back

To withdraw money means to take funds out of a bank account.

Front

If Elsa made withdrawals of $50, $60, and $17, how do you calculate her total withdrawals?

Back

Add the amounts: $50 + $60 + $17 = $127.

Front

What is the difference between two temperatures?

Back

The difference between two temperatures is found by subtracting the lower temperature from the higher temperature.

Front

How do you find the difference between -7 degrees and 4 degrees?

Back

Subtract: 4 - (-7) = 4 + 7 = 11 degrees.

Front

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

Back

The result depends on the values. If the positive integer is larger, the result is positive; if the negative integer is larger, the result is negative.