1 5.1 Rational Numbers 90 Ex: 0.6 -3.9 -15 2.) 0.9 3.) 32 Rational Number- A number that can be written as a fraction-15Ex:0.690-3.9Write two more examples of rational numbers.Show that the number is rational by writing it as a quotient of two integers.1.)2.) 0.93.) 32
2 Real Number- the set of rational and irrational numbers Irrational Numbers- Numbers that cannot be written as a fraction(non-repeating, non-terminating decimals, square root of a non-perfect square)Ex.Real Number- the set of rational and irrational numbersThe Venn diagram shows the relationship among all real numbers
3 Tell if the number is rational or irrational. 2.)1.)3.)4.)
4 Write each fraction as a decimal. Use the equivalent fraction method. 2.)1.)Write each fraction or mixed number as a decimal. Use the division method. Tell if it is repeating or terminating3.)4.)5.)6.)
5 What pattern do you notice? Write each decimal as a fraction in lowest terms.2.) 1.61.) 0.653.)Sometimes you can find a pattern. Write each fraction as a decimal.b.)c.)d.)a.)What pattern do you notice?
6 Writing a repeating decimal as a fraction. 1.) Write as a fraction.Set the variable equal to nMultiply each side of the equation by 100Subtract the same value form each sideSolve2.) Write as a fraction.
7 To order fractions and decimals, you must convert the fractions to decimals and then compare. Write in order from least to greatest. Be sure to change each fraction to a decimal first.1.)2.)
8 Demonstrate Understanding Write the fraction or mixed number as a decimal.1.) 2.)Write the decimal as a fraction or mixed number in lowest terms.3.) 4.) 0.7 5.)Write the numbers in order from least to greatest.6.)Write irrational or rational.7.)8.)