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Number Theory

Common Misconceptions (Number Theory)

Challenge Quizzes

Number Theory Common Misconceptions: Level 1 Challenges
Number Theory Common Misconceptions: Level 2 Challenges
Number Theory Common Misconceptions: Level 3 Challenges

Number Theory Common Misconceptions: Level 1 Challenges

$\large \text{Is } 0 \text{ even or odd?}$

Odd Even Both Neither

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by Eli Ross

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True or False:

$\huge{\color{#D61F06}{3} \text{ is a multiple of } \color{#D61F06}{3}.}$

True False It is undefined.

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by Clara Blackstone

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Which of these is not a property of all even and odd numbers?

\text{even} + \text{even} = \text{even}

\text{odd} + \text{odd} = \text{even}

\text{even} \times \text{odd} = \text{even}

\text{even} \times \text{even} = \text{even}

\text{odd} \times \text{odd} = \text{even}

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by Zandra Vinegar

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Can an odd number, divided by another odd number, times another odd number ever equal an even number?

If "yes," then find three numbers that work. If "no," then why not?

Clarification: The three odd numbers can be different numbers.

Yes No

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by Clara Blackstone

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True or False?

${\color{#3D99F6}{0} \text{ is a multiple of } \color{#D61F06}{3}.}$

True False It's undefined

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by Clara Blackstone

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