1. Integers
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Positive numbers are numbers that are greater than 0. These numbers can be written with or without a positive sign. Negative numbers are less than 0 and are always written with a negative sign.
10
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A savings account earns $10. |
The words account earns
tell us that the amount of money an account has is above certain level. This means that the amount of money is increasing. We use positive numbers to express the enlargement of a number.
10