Upcoming SlideShare
×

# Divisibility rules

1,285 views

Published on

0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total views
1,285
On SlideShare
0
From Embeds
0
Number of Embeds
46
Actions
Shares
0
39
0
Likes
0
Embeds 0
No embeds

No notes for slide

### Divisibility rules

1. 1. Divisibility RulesHow do we know when we candivide one number into anotherexactly?Jenny Russell
2. 2. Divisibility Rules (2)A number can bedivided by 2 ifthe last digit is even
3. 3. Divisibility Rules (3)a number is divisibleby 3 ifthe sum of the digits is3, 6 or 9
4. 4. Divisibility Rules (4)a number is divisibleby 4 ifthe number made bythe last two digits canbe divided by 4
5. 5. Divisibility Rules (5)A number is divisibleby 5 ifthe last digit is a 5 or a0
6. 6. Divisibility Rules (6)A number can bedivided by 6 ifthe last digit is evenand the sum of all thedigits is 3, 6 or 9
7. 7. Divisibility Rules (8)A number is divisibleby 8 ifthe number made bythe last three digitswill be divisible by 8
8. 8. Divisibility Rules (9)A number is divisibleby 9 ifthe sum of all thedigits will add to 9
9. 9. Divisibility Rules (10)A number can bedivided by 10 ifthe last digit is a 0
10. 10. Divisibility RulesA number can bedivided by 7 if……………… canyou find a rule?
11. 11. Divisibility Rules2, the last digit will be an even number3, all the digits will add to 3,6 or 94, the number made by the last two digitscan be divided by 45, the last digit will be a 5 or 0
12. 12. Divisibility Rules6, the last digit will be even and the digitswill add to 3, 6 or 98, the number made by the last three digitswill be divisible by 8
13. 13. Divisibility Rules9, the sum of the digits will be 910, the last digit will be a 0There is no easy test for 7, although somemethods have been invented, however it iseasier to use a pencil and paper method.
14. 14. Divisibility RulesApply these rules to theses numbers:74,673,042444,555,44861,616,168732,51066,666,666179,131,590