| The Four Numbers Game |
Joshua Belden & Maria Nogin |
Clovis North High School & CSU Fresno |
| Games With Special Moves |
(Katherine & Michelle Nogin) & Maria Nogin |
Clovis North High School & CSU Fresno |
| Math Circles & Math Wrangles throughout a school district |
James C. Taylor & Geoffrey Moon |
Math Amigos & Santa Fe Public Schools |
| The Sum of Two Squares |
Tifin Calcagni & Taylor Yeracaris |
GLOBAL MATH PROJECT |
| Math without words puzzles |
Jane Long & Clint Richardson Stephan F. Austin State University |
Without Words
More without Words |
| Avoiding Triples in Spot It |
Lauren Rose Bard College |
SPOT IT! |
| Exploring Red Ball Puzzles & Beyond |
Kun Wang |
Texas A & M University |
| Ulam Sequences |
Senia Sheydvasser |
Bates College |
| CC REUs From Math Circles |
Brandy Weigers |
College of Idaho |
| Cauldrons & Hexes |
Jessalyn Bolkema & Sharon Lanaghan & Carolyn Yarnell |
California State Dominguez Hills |
| Very Very Triangular & Square Numbers |
Ed Keppelmann |
University of Nevada-Reno |