Divisibility Investigation

• Find a way of telling if a number is divisible by 3. Hint: Add up the digits.

• Find a way of telling if a number is divisible by 4. Hint: Look at the last two digits

• Find a way of telling if a number is divisible by 6.

• Find a way of telling if a number is divisible by 8. Hint: Look at the last 3 digits.

• Find a way of telling if a number is divisible by 9.

• Find a way of telling if a number is divisible by 11. Hint: Pair up the digits from the right. Add the numbers made together.