"Thumbs way up for Math Shelf! My students have been playing for six months, and beg to play every day."
Erica Bristor, PreK Teacher, Aldine ISD
"I'm impressed with the math children are learning from Math Shelf."
Professor Deborah Stipek, Stanford University
"We are thrilled to have our Kindergarten students using Math Shelf. It's a great differentiation tool."
Dave Plaut, Math Coach, Davis USD
"This is our third year using Math Shelf, and our test results keep increasing."
Liz Ramos, Principal St. Michael-Gabriel School