Positive numbers are numbers that are greater than 0. They can be written with or without a positive sign. Negative numbers are less than 0. They are always written with a negative sign.
- 50
Practice makes perfect
Positive numbers are numbers that are greater than 0. They can be written with or without a positive sign. Negative numbers are less than 0. They are always written with a negative sign. Here are some examples of both kinds of numbers.
With this information in mind, we want to write a positive or a negative integer that represents the given situation. Remember that integers are the set of whole numbers and their opposites.
A bank withdrawal of $50
The word withdraw tells us that we are taking money out of the bank. This means that the amount of money in the bank is decreasing. To express the reduction of an amount, we use a negative number.
- 50
Extra
Opposite Numbers
Two numbers that are the same distance from 0 on a number line, but on opposite sides of 0, are called opposites.
Opposite numbers have the same absolute value. Absolute value is what we call the distance that a number is from 0.
|-50|=50 and |50|=50
