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Divisiblity

Divisibility rules

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Page 1: Divisibility rules

Divisiblity

Page 2: Divisibility rules

“Divisible by” means:

If you divide one number by another, the result is a whole number WITHOUT a remainder.

Examples:12 ÷ 6 = 2 No remainder15 ÷ 5 = 3 No remainder

Page 3: Divisibility rules

Divisibility by 2 A number can be divisible by 2 if

the last digit is even(0, 2, 4, 6, 8)Examples:

6798512=6+7+9+8+5+1+2=38[which is divisible by 2]

Page 4: Divisibility rules

Now You Try:Which number IS NOT

divisible by 2?

5721464249

Page 5: Divisibility rules

WONDERFUL….!!!

Page 6: Divisibility rules

Divisibility by 3 a number is divisible by 3 if

the sum of the digits is 3, 6 or 9

Example:123456 1+2+3+4+5+6=21 2+1=3[which is divisible by 3]

Page 7: Divisibility rules

Now You Try:

Which number IS NOT divisible by 3?

5721464279

Page 8: Divisibility rules

Way To Go!!

Page 9: Divisibility rules

Divisibility by 5 A number is divisible by 5

if the last digit is a 5 or a 0

Example:749230=7+4+9+2+3+0=25[which is divisible by 5]

Page 10: Divisibility rules

Now You Try:

Which number IS NOT divisible by 5?

9820 779 560

Page 11: Divisibility rules

Good..!!

Page 12: Divisibility rules

Divisibility by 9 A number is divisible by 9 if

the sum of all the digits will add to 9

Example:50832=5+0+8+3+2=18

1+8=9[which is divisible by 9]

Page 13: Divisibility rules

Now You Try:Find the number that

IS NOT divisible by 9.

98736365541

Page 14: Divisibility rules

Congratulations!

Page 15: Divisibility rules

Divisibility by 10 A number is divisible by

10 if

the last digit is a 0 Example:508322=5+0+8+3

+2+2=20 [which is divisible by 10]

Page 16: Divisibility rules

NOW YOU TRY:

Find the number that IS NOT divisible by ten.

56,920 7537 870

Page 17: Divisibility rules

GREAT JOB..!!

Page 18: Divisibility rules

Divisibility By:

Page 19: Divisibility rules

Thank you for paying attention…

Page 20: Divisibility rules

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