Podcast
Questions and Answers
Who popularized the divisibility rules in his 1962 'Mathematical Games' column in Scientific American?
Who popularized the divisibility rules in his 1962 'Mathematical Games' column in Scientific American?
In what base are the rules and examples presented for divisibility tests?
In what base are the rules and examples presented for divisibility tests?
What do the rules given below transform a given number into, while preserving divisibility by the divisor of interest?
What do the rules given below transform a given number into, while preserving divisibility by the divisor of interest?
What do divisibility rules determine without performing the division?
What do divisibility rules determine without performing the division?
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For what divisors must the resulting number be evaluated for divisibility?
For what divisors must the resulting number be evaluated for divisibility?
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Study Notes
Divisibility Rules
- Martin Gardner popularized the divisibility rules in his 1962 'Mathematical Games' column in Scientific American.
Divisibility Rules Format
- The rules and examples for divisibility tests are presented in base 10.
Divisibility Rules Transformations
- The rules transform a given number into a smaller number while preserving divisibility by the divisor of interest.
Purpose of Divisibility Rules
- Divisibility rules determine whether a number is divisible by a certain divisor without performing the division.
Evaluating Divisibility
- The resulting number must be evaluated for divisibility by 2, 3, 4, 5, 6, 7, 8, 9, and 11.
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Description
Test your knowledge of divisibility rules with this quiz focused on decimal numbers. Challenge yourself with examples and rules explained by Martin Gardner.
