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# G6 m2-d-lesson 17-s

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### G6 m2-d-lesson 17-s

1. 1. Lesson 17 NYS COMMON CORE MATHEMATICS CURRICULUM 6•2 Lesson 17:Divisibility Tests for 3 and 9 Classwork Opening Exercise Below is a list of numbers. Place each number in the circle(s) that is a factor of the number. You will place some numbers more than once. For example if were on the list, you would place it in the circles with , , and because they are all factors of . ; ; 2 ; ; ; ; ; ; ; 5 4 8 Lesson 17: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org 10 Divisibility Tests for 3 and 9 1/13/14 S.69 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 69
2. 2. Lesson 17 NYS COMMON CORE MATHEMATICS CURRICULUM 6•2 Discussion  Divisibility rule for :  Divisibility rule for :  Divisibility rules for :  Divisibility rule for :  Divisibility rule for : Example 1 This example will show you how to apply the two new divisibility rules we just discussed. Is divisible by or ? Why or why not? a. What are the three digits in the number b. What is the sum of the three digits? c. Is d. Is the entire number e. Is the number ? divisible by ? divisible by ? Why or why not? divisible by ? Why or why not? Lesson 17: Date: ©2013CommonCore,Inc. Some rights reserved.commoncore.org Divisibility Tests for 3 and 9 1/13/14 S.70 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. 70