On this website you will find thousands of our free mathematics enrichment materials (problems, articles and games) for teachers and learners from ages 5 to 19 years. All the resources are designed to develop subject knowledge, problem-solving and mathematical thinking skills. The website is updated with new material on the first day of every month.
Elementary: Addition, subtraction, multiplication, order numbers, dogs counting, money games, math puzzles
Middle School: estimation by rounding, order of operations, order integers, circle graphs, predictions, line graphs, patterns, percent estimation, money, fractions
Become a math whiz with Teachers' Domain resources! This new and expanding collection of media resources from our public television partners explore main concepts in elementary mathematics and correlate to educational standards.
This is an interactive website designed specifically for students in grades K - 8. Here you will find dozens of interactive games, activities, worksheets, and teacher tools that pinpoint essential skills. MrNussbaum.com was created and developed by a teacher! Many of the activities are color-coded.
Red = Grade 1 +
Orange = Grade 2+
Yellow = Grade 3+
Green = Grade 4 +
Blue = Grade 5+