Decimal Divisibility Rules Quiz with Martin Gardner's Examples
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Questions and Answers

Who popularized the divisibility rules in his 1962 'Mathematical Games' column in Scientific American?

  • Martin Gardner (correct)
  • John Conway
  • Richard Feynman
  • Carl Sagan

In what base are the rules and examples presented for divisibility tests?

  • Decimal (base 10) (correct)
  • Octal (base 8)
  • Hexadecimal (base 16)
  • Binary (base 2)

What do the rules given below transform a given number into, while preserving divisibility by the divisor of interest?

  • A generally smaller number (correct)
  • A larger number
  • An odd number
  • A prime number

What do divisibility rules determine without performing the division?

<p>Whether a given integer is divisible by a fixed divisor (A)</p> Signup and view all the answers

For what divisors must the resulting number be evaluated for divisibility?

<p>By the same divisor (D)</p> Signup and view all the answers

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.

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