Adding and Subtracting Integers Word Problems

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

How do you add two integers with the same sign?

Back

When adding two integers with the same sign, add their absolute values and keep the sign.

Front

How do you add two integers with different signs?

Back

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

Front

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

Back

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

Front

How do you subtract integers?

Back

To subtract an integer, add its opposite. For example, to subtract -3, you add +3.

Front

What is the result of subtracting a negative integer from a positive integer?

Back

Subtracting a negative integer is the same as adding its positive counterpart.

Front

What does it mean to be below sea level in terms of integers?

Back

Being below sea level is represented by negative integers, indicating a depth below zero.

Front

If Jackson is at -210 feet and descends another 143 feet, how do you calculate his new elevation?

Back

You add the two negative integers: -210 + (-143) = -353 feet.

Front

If Alejandro has a check for $180 and a bill for -$220, how do you find the change in his bank account?

Back

You add the check and the bill: 180 + (-220) = -40, indicating a decrease in his account.

Front

What is the total score if Jeff has 12 points and loses 8 points?

Back

You subtract the points lost from the total: 12 - 8 = 4 points.