Questions and Answers
Which rule determines if a number is divisible by 9?
Which of the following numbers is divisible by both 4 and 6?
What is the largest number that 120 and 30 have in common as a factor?
Which of these numbers is NOT divisible by 5?
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Which rule indicates a number is divisible by 6?
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What can be concluded about a number if it is divisible by both 8 and 4?
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Which rule would indicate that a number is divisible by 10?
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Which of the following scenarios indicates that a number is divisible by 6?
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When applying the divisibility rule for 12, which of these conditions must be met?
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For the number 81, which divisibility rule applies?
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Study Notes
Divisibility Rules
- A number is divisible by 9 if the sum of its digits is divisible by 9.
Divisibility by Both 4 and 6
- A number is divisible by both 4 and 6 if it is also divisible by their least common multiple (LCM), which is 12.
Greatest Common Factor
- The largest number that is a common factor of 120 and 30 is their greatest common factor (GCF), which is 30.
Divisibility by 5
- A number is NOT divisible by 5 if it does not end in 0 or 5.
Divisibility by 6
- A number is divisible by 6 if it meets two criteria: it is divisible by 2 (even number) and divisible by 3 (sum of digits is divisible by 3).
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Description
Test your knowledge on divisibility rules for numbers 2 through 12. This quiz covers questions about identifying common factors, divisibility by specific numbers, and applying the rules accurately. Get ready to sharpen your skills in number theory!
