Rules of Divisibility

2 928 is divisible by ?

(a)  

What is Divisibility ?

• A number that can go into another number with leaving a remainder

• A number that goes into a number without leaving a remainder

A number is divisible by 2 when the number is ending in

• 0, 2, 4,6, 8

• 7,8,2,4

• 2,5, 9,10

• 0, 1,2,4,6

what Divisibility rule is this? When the sum of the digit is divisible by 3

• Divisibility by 5

• Divisible by 9

• Divisible by 8

• Divisible by 3

What numbers are divisible by 5?

• 74 539

• 17 345 895

• 10

• 916

• 9 341 543 230

What is the Divisibility rule for 8

• If it ends in multiple of 8

• If the sum of the digits add up to 8

• if the last 3 form a number that’s is divisible by 8

What number is divisible by 7?

• 903

• 543

• 643

• 124

252 is divisible by 9 because:

• The digits add up to 18.

• The sum of the digits is divisible by 9.

• It's even and the sum of the digits is divisible by 3.

• The sum of the digits is even.

Which of these is divisible by 10?

• 8105
• 375
• 460
• 52

Is 1,284,604 divisible by 2?

• Yes, because the sum of the digits is 20, which is an even number

• No, because 4 is an odd number

• Yes, because 4 is an even number

• No, because the it is not divisible by 3