Rule for 5

All whole numbers ending in 0 or 5

eg: 5,10,15,20,25,30,35,40

## Monday, December 19, 2011

### Divisible rule for 1

Rule for 1

All whole numbers are divisible by 1

eg: 3 is divisible by 1 also 11 can be divisible by 1.

All whole numbers are divisible by 1

eg: 3 is divisible by 1 also 11 can be divisible by 1.

## Friday, December 16, 2011

### Divisbility Rules

1. All whole numbers are divisible by 1

2. All even numbers are divisible by 2

3 - if the sum of the digits is divisible by 3

4. All numbers that are divisible by 2, two times

5. Ending in 0 or 5

6. If its divisible by both 2 and 3

7. None try to make one!

8. All numbers that are divisible by 2, 3 times

9. If the sum of the digits is divisible by 9

10. All numbers ending in 0

2. All even numbers are divisible by 2

3 - if the sum of the digits is divisible by 3

4. All numbers that are divisible by 2, two times

5. Ending in 0 or 5

6. If its divisible by both 2 and 3

7. None try to make one!

8. All numbers that are divisible by 2, 3 times

9. If the sum of the digits is divisible by 9

10. All numbers ending in 0

Hope This Helps!

### Divisiblity rule for 7

Use a calculator.

If you find a rule tell Mr. Isfeld and he will PUBLISH IT!

(Basically, there is no rule 7)

If you find a rule tell Mr. Isfeld and he will PUBLISH IT!

(Basically, there is no rule 7)

### Textbook Divisible

When is a number divisible by 6?

A)when it is divisible by 2

B) when it is divisible by 3

C)both A and B

D) none of above

A)when it is divisible by 2

B) when it is divisible by 3

C)both A and B

D) none of above

### Textbook Divisible

When is a number divisible by 6?

A)When it is divisible by 2.

B)when it is divisible by 3.

C)Both A and B.

D)None of above.

A)When it is divisible by 2.

B)when it is divisible by 3.

C)Both A and B.

D)None of above.

### Divisiblity rule of 6

The number six is divisible when 2 AND 3 are divisible. If 2 and 3 aren't divisible, then 6 isn't.

## Thursday, December 15, 2011

### Divisibility! (If you missed the notes)

Divisible - when a number can be divided by another number, with no remainder.

Divisibility Rules...

Rule for 1

All whole numbers are divisible by 1

e.g. 3÷1=3

111÷1=111

Rule for 2

All even numbers are divisible by 2

Even numbers end in 2,4,6,8,0

Odd numbers end in 1,3,5,7,9

Rule for 3

The sum of the digits is divisible by 3

e.g.1+2+3+6=1+2=3

3 is divisible by 3

Rule for 4

4=2x2

All numbers that are divisible by 2 twice

e.g. 16÷2=8

8÷2=4

Then 16 is divisible by 4

Rule for 5

All numbers ending in 0 or 5

e.g. 5,10,15,20,25,30,35,40

Rule for 6

If the number is divisible by 2

e.g. 2x3=6

Rule for 7

USE A CALCULATOR!!!!!!!!!!!!

If you find a rule tell Mr. Isfeld and he will publish it ;D

Rule for 8

8=2x2x2

All numbers divisible by 2 three times

e.g. 24÷2=12

12÷2=6

6÷2=3

Rule for 9

The sum of the digits is divisible by 9

e.g. 1+8+9+7+2+3+6= 3+6 = 9

9 is divisible by nine.

Rule for 10

All numbers that end in 0 are divisible by 10

e.g. 10,20,30,40,50,60,70....etc.

Rule for 0

No number is divisible by zero

It is impossible

Here is a video to help you.

Divisibility Rules...

Rule for 1

All whole numbers are divisible by 1

e.g. 3÷1=3

111÷1=111

Rule for 2

All even numbers are divisible by 2

Even numbers end in 2,4,6,8,0

Odd numbers end in 1,3,5,7,9

Rule for 3

The sum of the digits is divisible by 3

e.g.1+2+3+6=1+2=3

3 is divisible by 3

Rule for 4

4=2x2

All numbers that are divisible by 2 twice

e.g. 16÷2=8

8÷2=4

Then 16 is divisible by 4

Rule for 5

All numbers ending in 0 or 5

e.g. 5,10,15,20,25,30,35,40

Rule for 6

If the number is divisible by 2

__and__3, then it is divisible by 6.e.g. 2x3=6

Rule for 7

USE A CALCULATOR!!!!!!!!!!!!

If you find a rule tell Mr. Isfeld and he will publish it ;D

Rule for 8

8=2x2x2

All numbers divisible by 2 three times

e.g. 24÷2=12

12÷2=6

6÷2=3

Rule for 9

The sum of the digits is divisible by 9

e.g. 1+8+9+7+2+3+6= 3+6 = 9

9 is divisible by nine.

Rule for 10

All numbers that end in 0 are divisible by 10

e.g. 10,20,30,40,50,60,70....etc.

Rule for 0

No number is divisible by zero

It is impossible

Here is a video to help you.

### Divisibility Rules!

1 - all whole numbers are divisible by 1

Eg. 3 divided by 1 = 3

2 - all even numbers are divisible by 2

E V E N - 2, 4, 6, 8,...(and so on.... you know it all)

O D D - 1, 3, 5, 7, 9 .... etc...(you know it all too)

3 - if the sum of the digits is divisible by 3

Eg. 1234 1+2+3+4 = 12 1+2 = 3

4 - All numbers that are divisible by 2 twice

Eg. 16 divided by 2 = 8. 8 divided by 2 = 4

so 16 is divisible by 4

5 - ending in 0 or 5

like in the 5 times table :D

6 - if its divisible by both 2 and 3

7 - *not discovered* but you can make one :D

8 - All numbers that are divisible by 2 thrice

Eg. 24 divided by 2 = 12. 12 divided by 2 = 6. 6 divided by 2 = 3.

24 is divisible by 8

9 - if the sum of the digits is divisible by 9

10 - all numbers ending in 0

like counting by 10's! (ten times table)

0 - no numbers are divisible by 0.

### Divisibility by 10

### Denominator

The bottom number of a fraction and tells us how many equal parts the whole is divided into

eg.

eg.

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