Activator: Put the following numbers into groups: Be able to explain why they are grouped together. 2.35, -7, 385, 5 2/3, 0.236589…, 1.414213562…, 3.14159…,

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Presentation transcript:

Activator: Put the following numbers into groups: Be able to explain why they are grouped together. 2.35, -7, 385, 5 2/3, 0.236589…, 1.414213562…, 3.14159…, .216494845

Real # Rational # Integers Irrational # Whole # Natural #

Real # Rational # Integers A rational number is a number that can be written as a simple fraction, or a decimal that terminates or repeats Integers whole # Plus negative whole # Irrational # Whole # Any number that cannot be written in fraction form: √2 Natural # Plus 0 Natural # The whole numbers from 1 upwards: 1, 2, 3, and so on ...

Rational Numbers

Practice Tell if the number is rational or irrational:

Summarizer: Using the numbers from the activator classify them as rational or irrational. 2.35, -7, 385, 5 2/3, 0.236589…, 1.414213562…, 3.14159…, .216494845

Tic-Tac-Think:Rational Numbers Choose one task from each column to answer completely. Name the following number as many ways using your diagram: 852 Which of the two is rational 2.3569874123… or 16.666666 List 5 numbers that are integers: √2 or -2.22 List 5 numbers that are natural numbers -3 ½ 6.16161616 or 22/7 List 5 numbers that whole numbers Tic-Tac-Think:Rational Numbers Choose one task from each column to answer completely. Name the following number as many ways using your diagram: 852 Which of the two is rational 2.3569874123… or 16.666666 List 5 numbers that are integers: √2 or -2.22 List 5 numbers that are natural numbers -3 ½ 6.16161616 or 22/7 List 5 numbers that whole numbers