Videos to help Grade 6 students learn how to apply divisibility rules, specifically for 3 and 9, to understand factors and multiples.
New York State Common Core Math Grade 6, Module 2, Lesson 17Below 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.
Divisibility Rules
Is 378 divisible by 3 or 9? Why or why not?
a. What are the three digits in the number 378?
b. What is the sum of the three digits?
c. Is 18 divisible by 9?
d. Is the entire number 378 divisible by 9? Why or why not?
e. Is the number 378 divisible by 3? Why or why not?
Example 2
Is 3,822 divisible by 3 or 9? Why or why not?
Exercises
Circle ALL the numbers that are factors of the given number. Complete any necessary work in the space provided.
Lesson Summary
To determine if a number is divisible by 3 or 9:
Note: If a number is divisible by 9, the number is also divisible by 3.
Example 1 - Example 2Try the free Mathway calculator and
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