Stern Math is a hands-on approach to learning, one where students actively participate. Students contribute to their own education and through an intuitive, guided system they develop a concrete, as well as, an abstract understanding of mathematical principles while having fun.

News & Updates

  • New version of the Decinny Game now available We’re excited to announce that a new-and-improved version of our Decinny Game is now available! This large, wooden board splits into three pieces for easy storage and includes beautiful, detailed pictures. New, larger cards are made from heavy cardstock in bright green and blue. As always, instructions for playing several games are also included. Decinny […] Read more →
  • Teach “teen” numbers with the Doubles and Neighbors Board After mastering combinations of numbers up to ten, have children move on to learning “teen” numbers with the Doubles and Neighbors Board! Children have an easier time learning the double facts (6+6=12, etc.) than the odd number facts. The doubles serve to anchor the children. The neighbor combinations are one more than the double facts. 6+7 is […] Read more →

More Stern Math news and updates...

  • A child at Castle School in 1950, placing the 7-block into the early version of the Counting Board.
  • Children use the Number Track 1-20 to figure out what pairs with 12 to add up to 20.
  • Catherine Stern teaches numbers 1 to 10 using an early version of the Counting Board without the symbol guide. She invented the symbol guide a few years later.
  • Child uses the Dual Board to show 47.
  • Catherine Stern teaching with the Pattern Boards 1950 at Castle School which she set up and ran with Peggy Bassett Stern and Toni Gould. To the left of Catherine is her grandson, Fred Stern.
  • Children use the Number Track 1-20 to figure out what pairs with 16 to add up to 20.
  • Using two puppets, Mr. No and Mr. Yes, Catherine Stern playfully teaches children to shake hands.
  • Mr. Yes shakes hands. But Mr. No refuses! Catherine Stern playfully teaches the children to shake hands.
  • Teacher works with children using the Counting Board.
"I believe, that her (Catherine Stern's) idea is sound and would be of real value in the teaching of the elements of arithmetic."
—Professor Albert Einstein