Number Theory Common Misconceptions: Level 1 Challenges Practice Problems Online

\[\large \text{Is } 0 \text{ even or odd?}\]

True or False:

\[\huge{\color{red}{3} \text{ is a multiple of } \color{red}{3}.}\]

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

\[\text{even} \times \text{even} = \text{even}\] \[\text{odd} + \text{odd} = \text{even}\] \[\text{even} \times \text{odd} = \text{even}\] \[\text{even} + \text{even} = \text{even}\] \[\text{odd} \times \text{odd} = \text{even} \]

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.

True or False?

\[{\color{blue}{0} \text{ is a multiple of } \color{red}{3}.}\]

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 7 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 7 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Common Misconceptions (Number Theory)

Challenge Quizzes

Number Theory Common Misconceptions: Level 1 Challenges

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.