Divisibility (February 2)

Front

What is the definition of divisibility?

Back

A number is divisible by another if, when divided, it results in a whole number with no remainder.

Tags

CCSS.4.OA.B.4

Front

Which numbers are divisible by 2?

Back

Any even number is divisible by 2.

Tags

CCSS.2.OA.C.3

Front

What is the divisibility rule for 3?

Back

A number is divisible by 3 if the sum of its digits is divisible by 3.

Tags

CCSS.4.OA.B.4

Front

How can you determine if a number is divisible by 5?

Back

A number is divisible by 5 if it ends in 0 or 5.

Tags

CCSS.3.OA.D.9

Front

What is the divisibility rule for 6?

Back

A number is divisible by 6 if it is divisible by both 2 and 3.

Tags

CCSS.3.OA.D.9

Front

What is the significance of the sum of digits in determining divisibility by 3?

Back

The sum of the digits must be divisible by 3 for the whole number to be divisible by 3.

Tags

CCSS.3.OA.D.9

Front

Can you give an example of a number divisible by 2?

Back

50808 is an example of a number divisible by 2.

Front

What is an example of a number that is divisible by 6?

Back

6312 is an example of a number that is divisible by 6.

Tags

CCSS.4.OA.B.4

Front

What does it mean for a number to be even?

Back

An even number is any integer that is exactly divisible by 2.

Tags

CCSS.2.OA.C.3

Front

What is the relationship between divisibility by 2 and 3 for a number to be divisible by 6?

Back

A number must be even (divisible by 2) and the sum of its digits must be divisible by 3 to be divisible by 6.

Tags

CCSS.4.OA.B.4