PPT-Divisibility

Objective Learn to test for divisibility Divisibility One whole number is divisible by another if after dividing the remainder is zero For example 18 is divisible by 9 since 18 . Provided by 1 Divisibility Rules Summer 2013 Divisibility Rules Rule Example Divisibility by 0 No numbers are divisible by 0. None Divisibility by 1 All numbers are divisible by ͳ . All Numb 7 Here Selected Exercises. Goal:. Introduce fundamental . number . theory concepts: . T. he . division . algorithm. Congruences. Rules of modular arithmetic. Copyright © Peter . Cappello. 2. Exercise 10. 2,3,4,5,6,9,10. Divisibility Rules Rhyme. I’m . # 2. and I’ll be your friend, as long as an even . # . is on the end,. #3. will work for me, you see, if the sum is divisible by 3.. The . #4. won’t be such a chore, if the . Rules!. What is Divisibility?. . . Divisibility means that . : . . . . after . dividing, there will be . no remainders. . . 6 2. 2. 6 1. 2. 6. 3. 2. 2. 1. 0. 6. 30. 1. No reminders. Reminders. 0. Rules. What is . Divisibility. ?. . Divisibility means that after dividing, there will be . NO. . remainder.. 356,821. Can you tell by just looking at this . number if . it is divisible by 2? . by . Different Numbers. For More Tutorials Visit:-. . . TeachMeDaily.com. Divisibility Test by 2. The last digit is even (0,2,4,6,8) are divisible by 2. For Example:- 20, 42, 124, 1606, 2288. Divisibility Test by 3. 02/19/17. What does it mean for a number to be divisible by another?. What are some common divisibility tests?. Today We’ll Discuss. Definition:. Let . a. and . b. be whole numbers such that . a. The notion of divisibility is the central concept of one of the most beautiful subjects in advanced mathematics: . number theory. , the study of properties of integers.. Example 1 – . Divisibility. TOP #. DENOMINATOR. HOW MANY TOTAL PARTS MAKE 1 WHOLE. BOTTOM #. 1. 2. 3. 4. 5. 6. 7. 8. 9. IMPROPER. MORE THAN 1 WHOLE. . . . . . 14. 9. PROPER. LESS THAN 1 WHOLE. . . . . . 5. 9. th. grade Math. What’s the point?. These rules let you test if one number can be evenly divided by another, without having to do too much calculation!. When will you need to use the rules?. Divisibility rules can be used:. Tell whether each number is divisible by 2,3,4,5,6,9,10. You can use your rules sheet. . 1. 48. 2. 49. 3. 50. 4. 650. 5. 665. 6. 7,000. 5 Minute Check. Complete on the back of your homework.. Tell whether each number is divisible by 2,3,4,5,6,9,10.. DISTRIBUTE . 221 TOFFEES . EQUALLY . AMONG 13 CHILDREN? . Did you say . by dividing . 221 by . 13 ?. Wonderful !. Now tell how . can you know. quickly whether. 3240 toffees can be distributed equally among 3, 4 , 5 ,6 ,7, 8 children or not?. Gaussian Integers and their Relationship to Ordinary Integers Iris Yang and Victoria Zhang Brookline High School and Phillips Academy Mentor Matthew Weiss May 19-20th, 2018 MIT Primes Conference GOAL: prove unique factorization for Gaussian integers (and make comparisons to ordinary integers)