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

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 the other is negative, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers means finding the difference between them. To subtract a negative integer, you add its absolute value. For example, subtracting -3 is the same as adding 3.

Front

How do you solve a word problem involving temperature changes?

Back

Identify the starting temperature, then apply the changes step by step, adding or subtracting as indicated by the problem.

Front

If the temperature is 3°C and it drops by 12°C, what is the new temperature?

Back

The new temperature is -9°C (3 - 12 = -9).

Front

If the temperature is -5°C and it drops by 6°C, what is the new temperature?

Back

The new temperature is -11°C (-5 - 6 = -11).

Front

What is the change in elevation if a person starts at -600 feet and ends at 92 feet?

Back

The change in elevation is 692 feet (92 - (-600) = 692).

Front

If the current temperature is 60°F and it increased by 2°F one hour ago, what was the temperature one hour ago?

Back

The temperature one hour ago was 58°F (60 - 2 = 58).

Front

What is the temperature on Monday if it was -15°C on Sunday and Monday was 12 degrees less?

Back

The temperature on Monday is -27°C (-15 - 12 = -27).

Front

What is the result of adding -7 and 3?

Back

The result is -4 (-7 + 3 = -4).