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What is divisibility?

Divisibility means that after dividing any number there will be no remainder.

Divisibility test for 8

How can you tell that a number is divisible by 8?

A number is divisible by 8 when the number formed by its last three digits  divisible by 8. 

Example 1

• is 5416 divisible by 8?

            416/8=52

There is no remainder hence5416 is divisible by 8

There was no remainder, that means that 416 is divisible by 8, hence,5416  is divisible by 8.

Example 2

• Is 15900 divisible by 8?

• 900/8=112 rem 4

• There was a remainder therefore 15900 is not divisible by 8

ANSWER THE  FOLLOWING QUESTIONS

 1.Which of the following numbers are divisible by 8?

•  4512

• 7848

• 71606

• 9960

Wich of the following numbers is not divisible by 8?

• 36554

• 45984

• 36256

• 69716

Answers

• 1.a,b and d

• 2.a and d