Another neat version of the Capture-Recapture problem.

Cool Numbers analyzes a dollar bill serial number (or any 8-digit numbers) for cool patterns, and reports the probability associated with various patterns.

Squigly's challenging puzzles for kids and by kids.

Pascal's Triangle conceals a huge number of patterns, many discovered by Pascal himself and even known before his time.

A good lesson on the Capture-Recapture problem - a real-life situation solved by statistics...

A simple simulation of the Capture-Recapture technique for estimating populations...

Problems Solved ~ We Flipped Our Classrooms (Published in the AMTNYS Journal) It seems like everywhere you look in education these days, there's an article about the Flipped Classroom. In this...

A STEM project - a joint venture by NASA and Texas Instruments

Our online classes bring outstanding students together with highly accomplished instructors to prepare the students for the rigors of top-tier colleges and internationally competitive careers. The AoPS Online School is accredited by the Western Association of Schools and Colleges.

When your students ask the inevitable question, "When would I ever use this?" answer it with a micro-documentary from the largest STEM video library of its kind --- The Futures Channel. Teachers tell us >> " I like to motivate the students to learn math by showing applications for math and science in real life, and your videos are a valuable resource.

Contains 3 free textbooks, teachers' resources - labs, videos, slides, tools for students, etc.

IXL is the Web's most comprehensive K-12 practice site. Widely used by schools and families, IXL provides unlimited practice in more than 4,000 math and English topics. An adaptive learning system features games and awards, inspiring students to achieve.

Need Math Homework Help? Read free Math courses, problems explained simply and in few words. Solve Math problems online. Learning Math has never been such fun!

Here is the best website to use to sharpen your investing skills. Whether you are a novice or an experienced investor, this website will help you make better-informed investment decisions.