Chapter 4 Number TheoryTermsExampleDivisibilitySlide 5Slide 6Even and odd numbersSlide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Prime NumbersChapter 4 Number TheoryTerms•Factors•Divides, divisible, divisibility•MultipleExample96128 Divisibility424324524Divisibility•Determining divisibility by 2•Determining divisibility by 3•Determining divisibility by 4•Determining divisibility by 6Divisibility•Determining divisibility by 5•Determining divisibility by 9•Determining divisibility by 10Even and odd numbers•What is an even number? •What are the properties of an even number?•How do you recognize an even number?Even and odd numbers•Representing an even number generally.Even and odd numbers•What is an odd number?•What are its properties?•How do you recognize an odd number?Even and odd numbers•How can an odd number be represented generally?Even and odd numbers•What kind of number do you get when you add two even numbers?•What kind of number do you get when you add two odd numbers?•What kind of number do you get when you add an even number and an odd number?Even and odd numbers•What kind of a number do you get when you multiply two even numbers?•What kind of a number do you get when you multiply two odd numbers?Even and odd numbers•What can you say about two numbers if their sum is even and their product is odd? •Why?Even and odd numbers•The sum of three numbers is an even number. Does the product have to be an even number or an odd number or can it be either one?Prime Numbers•The Sieve of Eratosthenesfinding the prime numbersuse the worksheet to find all the prime numbers from 1 to
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