A number is divisible by 2 if........
It is ODD
It ends in 0,3,5,7,9
It ends in 2,4,8,5
If it ends in 0,2,4,6,8
Is there a divisibility rule for 7?
YES
NO
A number is divisible by 10 if.........
The number ends in 0 or 5
The number ends in 0
The number is ODD
The number is EVEN
The divisibility rule of 9 states:
if you add up all of the digits in the number and that number is 9
if you add up all of the digits in the number and it is divisible by 9
add the last 2 numbers and divide by 3
if the last 2 digits are divisible by 3
A number is divisible by 6 if.........?
the rules of 5 & 6 apply
the rules of 3 & 4 apply
If the number is divisible by both 2 and 3
the rules of 1 & 2 apply
A number is divisible by 3 if.......
It is ODD
It ends in 1,3,5,7,9
The last 2 digits are divisible by 3
if you add up all of the digits in the number and it is divisible by 3
Is 643 divisible by 6? (Add=13)
YES
NO
A number is divisible by 4 if.......
the sum of the digits equals 4
the digits add up to a number ending in 4
the rules of 2 & 3 apply
the last two digits are divisible by 4 or ends in 00
Is 642 divisible by 6? (Add = 12)
NO
YES
Is 346,000 divisible by 4?
YES
NO
Is 3,213 divisible by 9? (Add = 9)
NO
YES
Is 56,432 divisible by 2?
YES
NO
Is 112,311 divisible by 6?
NO
YES
Is 345,720 divisible by 4?
NO
YES
Is 345 divisible by 3? (Add =12)
NO
YES
