## Non-Routine Mathematics Problems for Middle and High School Students

Welcome to a library of more than 700 engaging and challenging mathematics problems, arranged for easy access by topic, with numerous suggestions for using them with students.

Here are three links.

- Getting Started Quickly: for getting a handful of problems into your students' hands right away.
- Guided Tour: basic information about problems, index numbers, and problem sets
- Foreword: lays out the website for you in detail and explains the rationale for its existence.

Since this website is all about solving problems, we start by inviting you to doff your teacher hat and to take some time to play with a few problems selected just for you.

Stella Number | Problem Title |
---|---|

1040.11 | Ten Peach Trees |

1610.11 | One Million |

1550.18 | Jacob's Bumper |

3060.51 | Red and Blue Point Line Segment |

3420.29 | Midline Triangle |

Think about how you're thinking as you work on them; think about how you feel when you get one or when you get stuck.

When you've had enough of that for now, we suggest you go back to some of the major sections of the user guide.