Divisibility Rules for 5 and 10

This lesson covers quick methods to determine if a whole number is divisible by 5 or 10. For divisibility by 5, a number must end in 0 or 5. For divisibility by 10, the number must end in 0. Examples are provided to illustrate these rules, such as 325 and 110 being divisible by 5, and 110 being divisible by 10, while 203 and 101 are not. The lesson concludes with a recap of these divisibility checks.

What is the rule for determining if a whole number is divisible by 5?

Provide an example of a number that is divisible by 5 and explain why.

How can you tell if a whole number is divisible by 10?

Give an example of a number that is not divisible by 10 and explain why.

Summarize what you learned about divisibility by 5 and 10 in this lesson.