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Divisibility Rules Quiz

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Questions and Answers

How do we determine if a number is divisible by 2?

If it ends in 2, 4, 6, 8, or 0 (correct)

If it ends in 1, 3, 5, 7, or 9

If it is a prime number

If it is odd

How do we determine if a number is divisible by 3?

If it is a multiple of 3

If it is a prime number

If the sum of its digits is divisible by 3 (correct)

If it ends in 3, 6, or 9

What is the rule for divisibility by 4?

If it is a multiple of 4

If the sum of its digits is divisible by 4

If it ends in 4 or 8

If the number formed by the last two digits is divisible by 4 (correct)

How do we determine if a number is divisible by 5?

<p>If it ends in 0 or 5</p> Signup and view all the answers

What is the rule for divisibility by 9?

<p>If the sum of its digits is divisible by 9</p> Signup and view all the answers

Study Notes

Divisibility Rules

A number is divisible by 2 if it ends in an even digit (0, 2, 4, 6, or 8).
To determine if a number is divisible by 3, sum all of its digits. If the resulting sum is divisible by 3, then the original number is also divisible by 3.
A number is divisible by 4 if the last two digits form a number that is divisible by 4.
A number is divisible by 5 if it ends in either 0 or 5.
For divisibility by 9, sum all of the digits of the number. If this sum is divisible by 9, the original number is also divisible by 9.

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Description

Test your knowledge of divisibility rules with this interactive quiz! Learn how to quickly determine if a number is divisible by 2, 3, 4, 5, 6, 9, and 10 without performing the division. Master the concepts and strengthen your math skills.