How *few* colors can you use to fill in a map so that no neighboring regions are the same color?

# All AboutPuzzlers

## Word Pyramids – A Delightful Vocabulary Puzzle

A fun, abstract vocab puzzle in which students can add one letter per line, forming a pyramid of words.

## Prime Number Explorations

Students learn about prime numbers early in their careers, but the true, quirky nature of these numbers isn’t really explored unless kids go on to become math majors. Here are three fun prime explorations suitable for even young students.

## Puzzle: Antonym Paths

Begin with a small, simple word and identify its antonym. Then, take this second word and find *its* antonym. Many times, you’ll find that an antonym of an antonym isn’t always related the original word.

## Puzzler: A Number With ‘A’

Counting up, what’s the first number with an “a” in it?