Maria co-authored a great book aimed at making higher level math concepts fun for schoolchildren titled Moebius Noodles. The site appears to be down now, but h

Maria co-authored a great book aimed at making higher level math concepts fun for schoolchildren titled Moebius Noodles. The site appears to be down now, but here's the FB page: https://www.facebook.com/moebiusnoodles https://www.facebook.com/moebiusnoodles I highly recommend it, as well as signing up to receive periodic emails from Yelena/Maria with additional activities, tips and information.