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# Rationalnumbers

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### Rationalnumbers

1. 1. REAL NUMBERS (as opposed to fake numbers?)
2. 2. Two Kinds of Real Numbers <ul><li>Rational Numbers </li></ul><ul><li>Irrational Numbers </li></ul>
3. 3. Two Kinds of Real Numbers <ul><li>Rational Numbers </li></ul><ul><li>Irrational Numbers </li></ul>
4. 4. Rational Numbers <ul><li>A rational number is a real number that can be written as a ratio of two integers. </li></ul><ul><li>A rational number written in decimal form is terminating or repeating. </li></ul>
5. 5. Examples of Rational Numbers <ul><li>16 </li></ul><ul><li>1/2 </li></ul><ul><li>3.56 </li></ul><ul><li>-8 </li></ul><ul><li>1.3333… </li></ul><ul><li>- 3/4 </li></ul>
6. 6. Irrational Numbers <ul><li>An irrational number is a number that cannot be written as a ratio of two integers. </li></ul><ul><li>Irrational numbers written as decimals are non-terminating and non-repeating. </li></ul>
7. 7. Examples of Irrational Numbers <ul><li>Square roots of non-perfect “squares” </li></ul><ul><li>Pi </li></ul>17
8. 8. Integers One of the subsets of rational numbers
9. 9. What are integers? <ul><li>Integers are the whole numbers and their opposites. </li></ul><ul><li>Examples of integers are </li></ul><ul><li>6 </li></ul><ul><li>-12 </li></ul><ul><li>0 </li></ul><ul><li>186 </li></ul><ul><li>-934 </li></ul>
10. 10. <ul><li>Integers are rational numbers because they can be written as fraction with 1 as the denominator. </li></ul>