(6thG) 6 Divisibility Rules

6

Key Vocabulary

■ Divisibility
■ Factor
■ Remainder

Look Out for these Math Words

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Multiple Choice

Select if the number is even or odd

• Even
• Odd

Multiple Choice

If it ends with a 0 or a 2 or a 4 or a 6 or an 8, It’s ___________!

• Even
• Odd

Multiple Choice

900
Is it odd or even?

• Even
• Odd

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Multiple Choice

Odd + Odd = ?

• Even

• Odd

Multiple Choice

If it ends with a 1 or a 3 or a 5 or a 7 or a 9, It’s __________!

• even
• odd

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Multiple Select

Select all the numbers divisible by 2

• 16

• 25

• 1,350

• 998

Categorize

Options (10)

8

17578

456366

43521

685343

7

11

15

16

22

Organize these options into the right categories

Divisible by 2

NOT divisible by 2

Multiple Choice

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

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Multiple Choice

What is the divisibility rule for 3?

• Add up the digits. The sum must be even and divisible by 3.
• The digits must add up to 9.
• The last digit must be a 3.
• Add up the digits. The sum must be divisible by 3.

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Multiple Choice

What is the divisibility rule for 4?

• The last two digits form a number divisible by 4

• The last digit is a number divisible by 4

• The last digit is even

• The last digit is zero

Multiple Choice

Insert the correct digit to make the following number divisible by 3.

60_2

• 1

• 2

• 3

• 5

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Multiple Choice

If a number is divisible by two and three, then it is also divisible by which number?

• 6

• 4

• 2

• 3

Multiple Choice

What is the divisibility rule for 5?

• It is divisible by 2 and 3

• The last digit is a five

• The last digit is five or zero

• The last digit is zero

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Multiple Choice

2520 is divisible by 6 because:

• It is divisible by 2 (even) and 5 (ends in a 0 or 5)

• The sum of the digits is 12, a multiple of 6

• It's divisible by 2 (even) and 3 (sum of digits is a multiple of 3)

• The sum of the digits is even

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Multiple Choice

Any whole number is divisible by 9 if the sum of the digits...

• is divisible by 9

• is divisible by 4

• ends in 0 or 5

• ends in 3, 6, or 9

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Match

Match each number with the divisibility rule that corresponds.

the last digit is even or 0

the sum of the digits is divisible by 3

the last two digits are divisible by four

the last digit is cero or five

the number is divisible by both, two and three

• the last digit is even or 0

• the sum of the digits is divisible by 3

• the last two digits are divisible by four

• the last digit is cero or five

• the number is divisible by both, two and three

Multiple Choice

A number is divisible by 10 if

• It is even

• It ends in 0

• It ends in 0 or 5

• The sum of the digits is a multiple of 10

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Categorize

Options (9)

10

15

55

65

20

80

12

54

558

Organize these options into the right categories

Divisible by 2 only

Divisibly by 2 and 5

Divisibly by 5 only

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Categorize

Options (7)

2

3

6

4

10

5

9

Organize these options into the right categories

Is a factor of 459

Is NOT a factor of 459

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Categorize

Options (7)

2

5

6

4

10

3

9

Organize these options into the right categories

Is a factor of 7895

Is NOT a factor of 7895

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Categorize

Options (7)

5

2

10

3

9

4

6

Organize these options into the right categories

Is a factor of 8572

Is NOT a factor of 8572

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