Rationalnumbers
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The document explains that real numbers are divided into rational and irrational numbers. Rational numbers can be expressed as the ratio of two integers and include examples like 1/2 and -8, while irrational numbers cannot be expressed as such and include numbers like pi. It also defines integers as whole numbers and their opposites, affirming that integers are a subset of rational numbers.
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Rationalnumbers
- 1. REAL NUMBERS (as opposed to fake numbers?)
- 2. Two Kinds of Real Numbers • Rational Numbers • Irrational Numbers
- 3. Two Kinds of Real Numbers • Rational Numbers • Irrational Numbers
- 4. Rational Numbers • A rational number is a real number that can be written as a ratio of two integers. • A rational number written in decimal form is terminating or repeating.
- 6. Irrational Numbers • An irrational number is a number that cannot be written as a ratio of two integers. • Irrational numbers written as decimals are non-terminating and non-repeating.
- 7. Examples of Irrational Numbers • Square roots of non-perfect “squares” • Pi 17
- 8. Integers One of the subsets of rational numbers
- 9. What are integers? • Integers are the whole numbers and their opposites. • Examples of integers are 6 -12 0 186 -934
- 10. • Integers are rational numbers because they can be written as fraction with 1 as the denominator.