Integer Operations (+/-) with word problems

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 does it mean to add integers?

Back

Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and one is negative, subtract the smaller absolute value from the larger and keep the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers is the same as adding the opposite. For example, to subtract -3, you add +3 instead.

Front

How do you solve a word problem involving integer addition?

Back

Identify the quantities involved, determine if they are being added or subtracted, and then perform the operation.

Front

How do you solve a word problem involving integer subtraction?

Back

Identify the quantities involved, determine if you need to subtract, and then perform the operation, keeping track of the signs.

Front

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

Back

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

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, which increases the value.

Front

How do you find the difference between two negative integers?

Back

To find the difference, subtract the smaller absolute value from the larger absolute value and keep the negative sign.

Front

What is the temperature change if it goes from -5°C to -10°C?

Back

The temperature change is -5°C, indicating a drop in temperature.

Front

If the temperature is -3°F and it gets 4 degrees colder, what is the new temperature?

Back

The new temperature is -7°F.