Interactive
Curated OER

Pre-Algebra Vocabulary Crossword

For Students 8th - 9th
For this pre-algebra worksheet, students answer questions on basic algebra vocabulary to complete a crossword puzzle.  The one page interactive worksheet contains eight clues and is self checking.
Interactive
Curated OER

Ratio and Proportion Crossword Puzzle

For Students 9th
In this Algebra I worksheet, 9th graders solve a crossword puzzle that is based on the vocabulary associated with ratio and proportion.  The one page interactive worksheet contains fourteen clues and is self checking. 
Interactive
Curated OER

Using Logical Reasoning

For Students 10th
In this geometry worksheet, 10th graders analyze and solve logic puzzles.  The one page interactive worksheet contains five multiple choice questions, provides a hint, and is self checking.
Website
University of Vienna (Austria)

University of Vienna: Maths Online

For Students 9th - 10th
The University of Vienna, Austria, created this site to help bring the worlds of math and technology together. You have access to many applets and downloads that allow you to create lessons, tests, and puzzles. There are also great...