Khan Academy Class 8 Math Videos and Exercises (NCERT) - Part 2

More Exercises:

Playing with numbers
https://www.khanacademy.org/math/in-in-class-8th-math-cbse/xa9e4cdc50bd97244:playing-with-numbers#xa9e4cdc50bd97244:playing-with-numbers

Divisibility tests
https://www.khanacademy.org/math/in-in-class-8th-math-cbse/xa9e4cdc50bd97244:playing-with-numbers/xa9e4cdc50bd97244:test-for-divisibility/e/divisibility_tests Exercise 16.2

Divisibility tests for 8 and 11
https://www.khanacademy.org/math/in-in-class-8th-math-cbse/xa9e4cdc50bd97244:playing-with-numbers/xa9e4cdc50bd97244:some-more-divisibility-tests/e/advanced--divisibility-test-for-8-and-11 Exercise 16.2

Divisibility
https://www.khanacademy.org/math/in-in-class-8th-math-cbse/xa9e4cdc50bd97244:playing-with-numbers/xa9e4cdc50bd97244:some-more-divisibility-tests/e/divisibility Exercise 16.2

Divisibility by 6, 12, 18 and 20
https://www.khanacademy.org/math/in-in-class-8th-math-cbse/xa9e4cdc50bd97244:playing-with-numbers/xa9e4cdc50bd97244:some-more-divisibility-tests/e/divisibility-by-6 Exercise 16.2

Unit test on Playing with numbers
https://www.khanacademy.org/math/in-in-class-8th-math-cbse/xa9e4cdc50bd97244:playing-with-numbers/test/xa9e4cdc50bd97244:playing-with-numbers-unit-test?modal=1 Chapter Assessment