Khan Academy Static

In grade 6, you learnt how to check divisibility by the following divisors: 10, 5, 2, 3, 6, 4, 8, 9, 11. You would have found the tests easy to do, but you may have wondered at the same time why they work. Now, in this chapter, we shall go into the “why” aspect of the above.

8622_Divisibility_tests_for_2_3_4_5_6_9_10.html

8623_Recognizing_divisibility.html

8626_Common_divisibility_examples.html

8624_The_why_of_the_3_divisibility_rule.html

8625_The_why_of_the_9_divisibility_rule.html