Integers are whole number 1,2,3 . . . etc. There are numerous example of the need for adding integers.
Tom is bringing Sally and her three sisters to the party. Adding Tom (one person) and Sally (one person) and sisters (three people) there will be a total of 1 + 1 + 3 = 5 people coming to the party.
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An integer is a whole number. Some examples are 0, 1, 2, 3, etc. Negative whole numbers are also integers, e.g. -5. Add integers means take two or more integers and add them together. For example, 1+2=3 is an example of adding two integers (1 and 2) to get 3. Notice that 3 is also an integer. Adding integers together will always result in another integer. More than one integer can be added together. For example: 1+2+3=6.
1, 2, 3, etc.
Some examples of zero integers are 0, -0, +0. Zero is considered an integer because it is a whole number and can be represented on the number line.
All integers are rational numbers. There are integers with an i behind them that are imaginary numbers. They are not real numbers but they are rational. The square root of 2 is irrational. It is real but irrational.
for the negatives its -2 or for the positives its +6. you can put any number just not zero