‘Always Sometimes Never’ Questions For Division Dividing Makes Numbers

‘always, sometimes never’ questions for division dividing makes numbers smaller. a ÷ b = b ÷ a the sum of 4 even numbers is divis

‘Always, Sometimes Never’ Questions for Division
Dividing makes numbers smaller.
a ÷ b = b ÷ a
The sum of 4 even numbers is divisible by 4.
Multiples of 6 are 1 more, or 1 less, than a prime number.
When you square an even number, the result is divisible by 4.
a x 4 = (16 x a) ÷ 4
A number is divisible by 9 if the digital root is 9.
A number is divisible by 4 if the last 2 digits divide by 4
A number is divisible by 4 if the last 2 digits divide by 8
Multiples of 3 are divisible by 4
A number is divisible by 3 if the digital root is 5
If you take a number ending in 1 and divide by 5, the answer will have
a remainder of 1.